Gm 12 Bolt Carrier Identification

The Moroso Brute Strength TRuck carrier was bought as part of a 200 carrier deal, & bought cheap. 2 Chevy-style has a round cover with an indentation running across the cover (like the 12-bolt Chevy) and 2 casting projections on the top of the rear. The pinion nut is 1-1/4", it has 3" axle tubes. Eckler's Chevy Trucks is the most trusted name in Chevy Trucks through high-value products, low prices, and a love of Chevy Trucks matched only by our customers. 5" Chevy S-10 gears will fit the H-Body case, but the main problem is that, in the differential case, the hole for the pinion bearing is smaller in the H-body differential than in other GM 10-bolt differentials. The rear axle ratio may be determined by finding the two- or three-letter serial number prefix in the following. 08 rear end center section is an original used two-pinion type with cast arma-steel housing. Step 4: Check If The New Gears Jump the Carrier Break If your new gear ratio is within the same carrier range as the stock gears, then standard gears will work fine. Many of our bolts have a Zinc Flake finish that provides improved corrosion resistance compared to a bolt with Zinc Plate coating. if it's non posi, jack up one wheel, turn it exactly twice and count driveshaft revs. Winners Run Richmond! Richmond performance driveline products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities at our plants worldwide. Hello again, I have a 1980 Chevy scottsdale with a 350, 4 speed GL trans and a 203 T-case. new build 10 bolt 8. 5" on B, C, E and later A-body cars. Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. 2 inch Pontiac axles, 10-bolt 8. 12-Bolt Custom Rearends Housings Axles Brakes Bracketry Ring & Pinion Sets Carriers Bearing Kit / Hardware Diff Covers Yokes Options Oil & Additives Labor Services 8-Inch Ford Custom Rearends 2WD Beam Frontend. Why I will never own another chevy axle, 12 bolt fail. The 55-64 rear end center sections (the case which bolts into the axle housing that contains the gears) are ALL 100% interchangeable. GM Vehicles come with a RPO code tag, usually located in the vehicles glovebox or door jamb. 2-inch rearend later on, which is not a very strong unit and is not suitable for high-performance usage without significant upgrades … and even then, they can be questionable. 0 out of 5 stars 1. Chevy high performance "If you are building a cruiser and want to keep everything GM, the 12-bolt is more than capable of taking the abuse. After 1972, General Motors was only installing its 10-bolt rearend in cars, but the 12-bolt remained an option for trucks until 1987. 60's Performance Car Identification Chart Model: Description: Pinion Bearings: Carrier Bearings: Pinion Seal O. Unfairly, this axle has been the redheaded stepchild in the family of GM axles. 42 performance gears new 30 spline alloy axles (stock are smaller 28 spline) backing plates included will fit all 1 camaro or firebird will; fit 1 nova will also fit 19555 56 57 chevy same. There are plenty of 10-bolt muscle cars that have great results, but the 12-bolt is a far stronger unit. GM made three different types of 12-bolt positraction carriers. The older manuals didn't include wiring. Carrier Front Axle 308 Ratio Opt Gu4 Id Aacv Fits 15 Sierra 1500 Pickup. There is some confusion about what exactly is similar and different between GM 10-bolt 8. GM 12 Bolt Truck $320. 12-Bolt Custom Rearends Housings Axles Brakes Bracketry Ring & Pinion Sets Carriers Bearing Kit / Hardware Diff Covers Yokes Options Oil & Additives Labor Services 8-Inch Ford Custom Rearends 2WD Beam Frontend. This is a great trans and has been refined a bit over recent years and as many of. Moser Chevy 12 bolt; Strange Chevy 12 bolt; Moser Ford 9" Strange Dana 60; Currie Enterprises: Ford 9" and Dana 44 Differential assemblies Moser Engineering: Ford 9 inch and GM assemblies and parts Summers Brothers: GM 12 bolt assemblies Drive Train Specialists (DTS): Dana 60, GM 12 bolt and Ford 9" performance rear ends. The first letter is the month of the year; A is January, B is February, and so on. Dana axle identification is located on axle tube between Steering Shock Absorber Bracket and the Carrier. I need to regear the front axle from 2. com as a daily part of their ownership experience. * These ratios were offered with the optional 12 bolt rear end(455 only) A sticker with the code was applied to the left brake drum. Ford, GM, Dodge, and some M37 military I. Having a problem with GM 12 bolt rear end? We offer a complete line of rear end parts for the GM 8. Tailgate opens to the side. Housing, with OEM located mounting provisions, seamless steel tubing (3' O. aam 925 series gm 9. 2 Pontiac 10-bolt has 2 scallops (cutouts) on each side of the rear cover, whereas an 8. A manufacturer code will be metal stamped on the axle tube adjacent to the carrier for field identification. Find Bluetooth, Zwave, Smart Homes and more. Add to cart. These gears are manufactured by US Gear (Strange USA Part #01-888488) and were installed for a brief period of time as the light/even wear on the gears clearly shows. Synonyms for bolt in Free Thesaurus. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. When installed by an authorized GM dealer, genuine Chevrolet, Buick, GMC and Cadillac Accessories are covered for the balance of the new vehicle’s warranty or 12 months / 12,000 miles, whichever is longer. Jim Carter's Old Chevy Trucks - Your biggest source for Chevy and GMC Truck Parts 1934 to 1972. Step 4: Check If The New Gears Jump the Carrier Break If your new gear ratio is within the same carrier range as the stock gears, then standard gears will work fine. Having a problem with GM 12 bolt rear end? We offer a complete line of rear end parts for the GM 8. * These ratios were offered with the optional 12 bolt rear end(455 only) A sticker with the code was applied to the left brake drum. Dodge used a Dana 60 up to 2002. CHEVROLET 12-BOLT PASSENGER CAR Auburn Posi's Recommended for normal to mild abuse appli-cations only. Our customers enjoy access to the vast combined inventories of manual transmission and transfer-cases parts and complete units with 3-6-12-24 month warranty options. PATC builds GM performance transmissions in many levels. Place the bearing races on the bearings and set the entire assembly into the case. You may have to register before you can post: click the register link above to proceed. The next digit is the day it was built, and the last digit is the year it was built. 12-Bolt Identification. This is a great trans and has been refined a bit over recent years and as many of. 60's Performance Car Identification Chart Model: Description: Pinion Bearings: Carrier Bearings: Pinion Seal O. 73 gears on my 68 Camaro What weight of oil should I use - was thinking of Royal Purple 75W90 Synthetic. 150-inch diameter Ford bearing, which has a much greater load capacity than the stock 12-bolt bearings. This superior performance is achieved through an innovative cone clutch design which transfers more power to the high-traction wheel for quick acceleration and tight cornering. 875 with a smaller inner measurement that a 12 bolt Chevy, (Chevy ring fits but is not tight on the carrier) The plug seen in the cover in the picture is the only opening for oil to be added. Coil spring 5 link suspension. Freshening these GM 12-bolt rearends was both cheap and easy, something your wallet and your sanity can appreciate during any car project! The inside diameter of the side gear is also splined. Only on the carrier 2 weeks! post id: 7009805566. With so many choices now on rear axles for vintage Fords, Mustang and Fords Magazine has compiled this Ford Differential Builder's Guide to help you choose the best setup. Differentials that feature Positraction will have a small identification number comprising two or three digits, located on the lower right side of the differential cover. aam 925 series gm 9. The easiest way to identify a 12-bolt rearend is obviously by the 12 bolts holding the rear cover onto the axle housing. Series of Differential Carrier. Typically the differential housing has a stamp somewhere on the axle tube which identifies the differential. This rear end was available in a 10 bolt version only. Before you start, you need to identify your parts. Bolt pattern is 5 on 4. 875 inches in diameter. In actuality, the term 12-bolt is due to the 12 bolts holding the ring gear to the differential. GM 12 Bolt Car / Posi / 30 Spline / 3 Series-Eaton Style Clutch posi / Limited Slip LSD CarrierFits 3 series Gear Ratios (3. In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. Corvette Gears; GM 10 Bolt 7. The axle tubes are pressed into the differential housing and then welded into position to form a one-piece axle housing. Freshening these GM 12-bolt rearends was both cheap and easy, something your wallet and your sanity can appreciate during any car project! The inside diameter of the side gear is also splined. The rear axle identification code consists of a three letter prefix indicating the gear ratio, four digits indicating the assembly date as month/day, and a single letter suffix indicating the manufacturing location. No hand tools or drilling required. The truck twelve bolt IS different than a passenger car twelve bolt - every aspect from the diff cover to drums is different! The factory truck carriers were offered in either a three or four series with the factory ratios of 3. 1955-1964 Chevy 3. 12 Contact Information: Chevy 10 bolt 8 1/4 ring and pinion with carrier, 308 gear set. INSTALLS IN 5 MINUTES OR LESS!. As with all GM Salisbury rear axle assemblies, the number of bolts, in this case 10, refers to both the ring gear bolt count and the number of bolts retaining the rear cover. GM 14-bolt Differentials. Rear Axle Codes. There is some confusion about what exactly is similar and different between GM 10-bolt 8. One end has a "250" casting no. Axle Identification Chart DANA 25/27 These Danas are indistinguishable in appearance. 875" ring gear diameter *30 spline pinion *12 ring gear bolts *4. Corvette Gears; GM 10 Bolt 7. They change the position of the ring gear mounting flange on 12 bolt carriers as you go up or down in ratio. these spacers allow you to run a 2. GM flipped a coin on a lot of things it seems. 07 Ring & Pinion with Gutted Out Posi Carrier $150. 1971 GTO Axle Codes. PATC builds GM performance transmissions in many levels. The pinion shaft on passenger-car differentials is 1-5/8-inch in diameter and the cover is oval, measuring 10-15/16-inches wide by 10-5/8-inches tall. Richmond Gear is the leading manufacturer of professional quality, high performance ring and pinion sets. Before we start, let's identify the parts. com as a daily part of their ownership experience. 8-inch axle. Can I reuse my stock GM drum brakes with a press-on axle bearing? A. Chevy high performance "If you are building a cruiser and want to keep everything GM, the 12-bolt is more than capable of taking the abuse. HISTORIC CHANGES. ) is the measured diameter of an imaginary circle formed by the centers of the wheel lugs or bolt holes. Description. 63-79 New Loaded Posi Carrier This is an all new Eaton Style Posi carrier, and it is a vast improvement over the original equipment Eaton design. If this is your first visit, be sure to check out the FAQ by clicking the link above. com as a daily part of their ownership experience. Engine Mechanical - 5. This reduces the load on the pinion, resulting in less parasitic loss from the friction and load. Now in case you ordered an excellent block or extreme time-honored performance small block you need to get a 12 bolt. 875" commonly refered to as the GM12 Bolt differential, this differential was utalized GM used this very popular differential in there full size Chevrolets, Chevelle, Chevy II, Camero, Nova, Oldsmobile F85 and GTO/Firebird Pontiac products starting in 1965 to 1972. The 12-bolt was introduced to performance buyers in 1964. 73 ratios". 875 with a smaller inner measurement that a 12 bolt Chevy, (Chevy ring fits but is not tight on the carrier) The plug seen in the cover in the picture is the only opening for oil to be added. * These ratios were offered with the optional 12 bolt rear end(455 only) A sticker with the code was applied to the left brake drum. The carrier goes into the rear end housing. It has a 10-bolt cover with indentions next to the axle tubes and 12 bolts holding the ring gear to the carrier (the bolts have a 3/4" hex head, right hand threads). 2 Chevy-style has a round cover with an indentation running across the cover (like the 12-bolt Chevy) and 2 casting projections on the top of the rear. This bolt holds the alignment shaft (2) in place. In 1970 the rear end was built in both 10 and 12 bolt versions. 625 more you ask/ might be an olds or poncho rear GM 8. Service and Parts Manual. Two-CutTooth height is measured from the root (bottom of tooth) to the crown (top of tooth. 73 gears (series two), the differentials will support all gear ratios without having to change carriers. 5; GM 10 Bolt 8. The older manuals didn't include wiring. Please note: The terms wheels and rims are interchangeable. The rack is assembled by sliding the desired combination of wheel chocks and tie-down loops onto the main bar and locking them into place. 12 bolt shafts fit other 12-bolts, and 10 bolt shafts fit other 10-bolts. No texts or emails. 14 Bolt Axles: The Differences Between SRW, DRW, and C&C The GM 14 bolt is found in 3/4 and 1 ton Chevy and GM vehicles. The result is three carrier sizes. It was used in the rear of 1964-and-later GM pickups, and in the rear of 1984-91 3/4-ton Suburbans. It should say "GM 76" in 1" high letters if it is a 1976 rear end. They change the position of the ring gear mounting flange on 12 bolt carriers as you go up or down in ratio. If you own a 1947-1972 Chevy or GMC Truck, you've come to the right place!. The 12 bolt chevy carriers are about. 73 and up are ALL 4 series. Differential Identification Chart Your differential is the set of gears that allows your vehicle’s driven wheels to revolve at different speeds by splitting your engine torque in two directions… AMC. It can be argued that all A-body 8-3/4 axles are small bolt-pattern, as the A-body 8-3/4 was built until '72 or so. Rear Axle Identification. The smaller 10 bolt became into what you need to get in case you ordered a six cylinder or small low perf. 7x42mm Bolt Carrier Group is a great option for your next AR-15 build. Rear Axle Identification and Decoding It'll usually be about 3 inches away from the carrier housing (center section of rear end housing). Learn more about this product. 150-inch diameter Ford bearing, which has a much greater load capacity than the stock 12-bolt bearings. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Step 4: Check If The New Gears Jump the Carrier Break If your new gear ratio is within the same carrier range as the stock gears, then standard gears will work fine. Rebuilt Chevelle LS6 Camaro Z28 Nova SS genuine OEM Chevrolet Muscle Car 12 Bolt Eaton Positraction casting number ED-30140PM1 Date C 19 9, March 19 1969. aam 925 series gm 9. There are total width end to end issues (as the 8. Cash only. Page 2 August 2014 Bulletin No. Many of these differentials are now more than 40 years old and are due for an overhaul. PATC GM Performance Transmissions, TH400, 700R4, 4L60E, 4L80E, 6L80E, 200-4R and others. Classic Performance Products parts for classic 1955-1970 chevy cars. com ability and easy identification custom axles have a serial number c ustomer s. 10Rear Suspension: SolidPinion Nut Size: 1-. INSTALLS IN 5 MINUTES OR LESS!. The military Model 25 has a thick, cast cover, while the 27 and civilian-model 25s have a thinner cover, will accept taller gears, and backed V-6s. New brut series 4 carrier. Chevy/GMC Upper Saddle & U-Bolt Kits Ford Upper Saddle & U-Bolt Kits For Cold-Formed U-Bolts which have been torqued to a set preload are recommended to be re-torqued after a short time to take up the stretch in the set of the material. If it's original, 1/2-ton and your truck is 81-older, it's a 12 bolt. A new and more complete look at converting a 14-Bolt to disc brakes, including weld-on and bolt-on brackets, a larger calliper option, and a detailed look at wheel stud and wheel nut options. GM is not responsible for the safety or quality of independent supplier alterations. New Richmond ring and pinion. Reply Quote I've got a 69 12 bolt diff, with stamping EM, and according to the 69 differential page in the parts book equates to a 3. Has a 10 bolt cover as well as 10 bolts securing the ring gear. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. General Motors 12 bolt axle specs and tech - the GM 12 bolt differential is a semi floating rear axle that was used in 1/2 ton and 3/4 ton GMC and Chevrolet pickup trucks from 1964 until 1982. 60's Performance Car Identification Chart Model: Description: Pinion Bearings: Carrier Bearings: Pinion Seal O. 1971 GTO Axle Codes. This is not the 10 bolt ring version both cover and ring have 12 bolts. Plan Axles Custom Axles Cases & Spider Gears Dropouts & Pinion Supports Kits Spin Free Kit Positractions & Lockers Ring & Pinions Spindles Spools Tools Yokes Yukon e-Catalog Product Comparison Charts. 250” below the center of the ring gear; compared to a 1. 12 Bolt Carrier Identification. This kit uses Koyo bearings and races along with all high quality. CHEVY CASTING NUMBERS. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. 1955-1964 Chevy 3. 11 ratio *Thick gear set for 3. 5", as found in the Chevy Vega, up to the larger GM 11. GM 12 Bolt Truck. 3 ring gear, and bolt-in 28 spline axles. 1949 Chevy/GMC Pickup Truck Chevrolet Advance Design. Some people trash talk the GM 10-bolt as a junk rear end, and if they are talking about the 8. Hot to rebuild your eaton posi carrier in your chevelle ss, or camaro ss 12 bolt, 10 bolt too. Bolt pattern is 5 on 4. 2" 10-Bolt Chevy 64-72 parts in-stock with same-day shipping. Ford 9 inch is the way to go - Duration: 3:53. All are also compatible with all ABS and electronic controls. 12-Bolt Identification. 12 bolt rearend out of 1970 chevelle. With the exception of truck differentials with 30-spline axles, and those carrying 2. Richmond Gear is the leading manufacturer of professional quality, high performance ring and pinion sets. Read the vehicles Owner's Manual for more important feature limitations and information. To begin with it's a 1963 C10 swb, it has a 1968 250 inline six and a 1984-1986 T5 transmission. This bolt holds the alignment shaft (2) in place. 45 You Save: 7%. Strange Pro Series Aluminum Spool For Chevy 12 Bolt Car with 33 Spline Axles Gear set designed for 4 series carrier Strange Pro Series Aluminum Spool | For. Two-Cut And Five-Cut are machining processes that result in different patterns for set-up as seen below. As the name implies, GM 10-bolt differentials will utilize 10 bolts to secure the differential cover to the carrier. CHEVROLET 12-BOLT PASSENGER CAR Auburn Posi's Recommended for normal to mild abuse appli-cations only. 3 series carrier is used when you 1967 1968 1969 : $549. Rear Axle Gears and Driveshaft. and an I195 date code. The 12-bolt was introduced to performance buyers in 1964. In 1970 the rear end was built in both 10 and 12 bolt versions. The material hardness and thread designs of our bolts provide the high strength and resistance to bolt threads stripping your need for demanding applications. 1971-1975 : Front of Right hand (passenger) tube,about 3" from carrier; 1970 : W/C-lock axles-Front of Right hand (passenger) tube,about 3" from carrier. The problem lies with the difference in control arm mount angles. Housing, with OEM located mounting provisions, seamless steel tubing (3' O. But under normal usage should perform well for years and years. We strive every day to bring only the best in Chevy Trucks rear differential parts. (300+ Units). if it's non posi, jack up one wheel, turn it exactly twice and count driveshaft revs. 11 ratio *Thick gear set for 3. When you're low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts. The purpose of this page is to help indentify the 1955-59 GMC pickup trucks. While it was originally designed for use in factory-built performance-rated cars, it was installed in both cars and trucks until 1972. com, JT Parts, JT's Parts & Accessories is a leading distributor in differential and axle parts from Nitro Gear & Axle, Nitro Gears are available for all types of vehicles. Both 4 1/2" and 5" bolt patterns are available. Differential Lockers & Spools. How to Disassemble Chevy and GM Differentials: Step-by-Step The disassembly procedure for both Chevy 10- and 12-bolt rear differentials is virtually the same. The site focuses on maintenance, do-it-yourself, and performance modification guides amongst general Chevy Truck articles. General Motors’ first major redesign post-World War II, the Advance Design series was billed as a bigger, stronger, and sleeker design. 5-inch ring gear diameter but retained the 12-bolt's pinion shaft diameter of 1. 8-inch is very similar to the General Motors (GM) 87⁄8-inch, 12-bolt axle. 6T Identification Year 12 of 57 Ford 6F50 & GM 6T70 Primary Differences Bolt eliminated, new trough will back-service previous models. These ends use the larger 3. Carrier Casting Numbers. 5" and some articles even state it is stronger than a gm 12bolt it is a bolt in swap, no welding required, even the stock driveshaft works perfect. We have a 12 bolt from a late 70's truck. Rear ends for 1937-72 Chevys: Complete rears and parts, 55-64 center sections, positractions and non-posis and "P" case rears; 10 and 12 bolt rear. Disconnect the negative battery. * These ratios were offered with the optional 12 bolt rear end(455 only) A sticker with the code was applied to the left brake drum. From sheet metal and exterior to the final interior touches. Dana differential parts, ring and pinion sets, power divider, positraction, spools, Detroit lockers, axle gears, seals, bearing overhaul kits and diff case Parts. GM 12 Bolt Passenger Car GM12P Rear Differential Parts - Ring Gear Diameter: 8. No texts or emails. AR15 parts and accessories. Do you like Chevy Inline 6's? We can help you with all of the modifications needed. Great condition. Measures 81" from door hinge of vehicle. GM Vehicles come with a RPO code tag, usually located in the vehicles glovebox or door jamb. INSTALLS IN 5 MINUTES OR LESS!. Rear End Narrowing. The factory carriers for the 12-bolt passenger car are available in the following sizes: 2-Series: Gear ratio is 2. 375" Ring Gear with 10 Bolt with GM Series Axle 1962, Rear Differential Bearing Kit by USA Standard Gear®. There are many other "10 bolt" axle types, even the original is a "10 bolt". Genuine Chevrolet, Buick, GMC and Cadillac Accessories are the only accessories backed by GM. com, JT Parts, JT's Parts & Accessories is a leading distributor in differential and axle parts from Nitro Gear & Axle, Nitro Gears are available for all types of vehicles. 42 performance gears new 30 spline alloy axles (stock are smaller 28 spline) backing plates included will fit all 1 camaro or firebird will; fit 1 nova will also fit 19555 56 57 chevy same. Ford, GM, Dodge, and some M37 military I. The 1970 12 bolt version will bolt into any second generation Camaro and quite often is done so in high power applications. Please visit the product pages for the 1410 Series and 1480 Series yokes for more information. new upper control arm bushings installed. 2 = 25 spline shaft. The 1970 12 bolt version will bolt into any second generation Camaro and quite often is done so in high power applications. Technical Is this indeed a GM 12 bolt posi?? Lots of the Olds musclecars had the 10 bolt carrier in the 12 bolt housing. Silencer Review: Gemtech G5-T 5. The rack is assembled by sliding the desired combination of wheel chocks and tie-down loops onto the main bar and locking them into place. Your vehicle could also have a banjo-type rearend, which typically consists of bolt-in axles and a fully removable third member, which is accessed from the front of the rearend housing. This has the 12 bolt cover and 10 bolt 8. Super Carrier Shim kit for Ford 8. GM 12-Bolt Chevy 1350 Forged Steel Pinion Yoke - Car Truck - Rearend - 30 Spline. 875" Ring Gear Bolt Count=12 Pinion Spline=30 Cover Bolt Count=12 2. aam 976 series gm 9. if it's non posi, jack up one wheel, turn it exactly twice and count driveshaft revs. This identifies the car make and model, gear ratio, date of casting and assembly and factory of origin. The Dana 44 has seen use in 1/4-, 1/2-, 3/4-, and 1-ton rated trucks. 875" ring gear, 1. The result is Chevy GM 12 Bolt TRUCK rear end ring and pinion gears that deliver performance standards set by DANA, one of the world's most trusted supplier of driveline parts. Genuine Chevrolet, Buick, GMC and Cadillac Accessories are the only accessories backed by GM. The RTX-70C-CVL was designed as a bolt-in upgrade to a stock or reproduction gauge carrier (available separately) and bezel. GM rear, installing a new, updated, heavy duty carrier with thrust washers is they way to go to make that old rear end reliable. USA Standard uses rigorous in-house quality testing and inspections to ensure products pass dimensional, material and fitment testing. 875 inches in diameter. 5" diameter ring gear and pinion with a 3rd bearing at its nose that prevents gear deflection under severe loads. the ring gear in 10 bolt years 64 to 70 was 8. Your differential is made up of a series of gears including the ring gear and pinion gear to synchronize the varying speeds your tires spin at during a turn. CHEVROLET 12-BOLT PASSENGER CAR Auburn Posi's Recommended for normal to mild abuse appli-cations only. GM flipped a coin on a lot of things it seems. GM 12 Bolt Passenger Car GM12P Rear Differential Parts - Ring Gear Diameter: 8. Commonly 7 or 8. Dana design axles from 1977 thru 1980. RANDYS carries GM differentials from the small 6. GM 14-bolt Differentials. Side Bearing Kit GM 8. Also C20 uses the 1350 heavy u-joints apposed to the 1310 smaller joint in 1/2 ton. * These ratios were offered with the optional 12 bolt rear end(455 only) A sticker with the code was applied to the left brake drum. Ring gear diameter is 8. Our services also include 12 bolt rear-end restoration and rebuilding. Commonly 7 or 8. Help is just a click away!. Interchanging between these carrier breaks is possible; however, to keep costs down, it is important that you do your homework before you buy one. 250” below the center of the ring gear; compared to a 1. Chevrolet 12-bolt 1/2 Ton Truck Axles We offer the finest C-clip axles available for your 1/2 ton G. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. 5 inch axles and Chevy HD 12-bolt axles. Dana Differential ID Profile & Information. No texts or emails. GM Differential Identification & Specs. It should be noted that GM also offered an 8. With several distributions most gears and parts are only a day or two away. Chevy Impala with 8. , Jeep, Nissan, Toyota, and even one Studabaker Dana 44 Front Assembly. Order, view, or download the Mark Williams product catalog Mark Williams Enterprises is an industry leading manufacturer of drag race axles, drive shafts, brakes, modular rears, rear end housings, thirdmembers, and chassis components. 3 series has more clutch plates,thus needing a thiner ring gear to fit inside the carrier. The 1970 12 bolt version will bolt into any second generation Camaro and quite often is done so in high power applications. 73 and up are ALL 4 series. Read the tech article on a 10-Bolt Identification Guide, brought to you by the experts at Chevy High Performance Magazine. Yukon Duragrip Posi Pkg Gm 8. 5", as found in the Chevy Vega, up to the larger GM 11. The cross bar is machined down for additional clearance. Camaro Central stocks many GM nos parts inclusive to all Camaro makes and. Right behind the rearend yoke there will be 5 bolts holding the pinion support in. Torque specifications on a 2007 Chevy 1500 HD classic. See complete information on Colorado rear axles here. Differential Identification Chart Your differential is the set of gears that allows your vehicle's driven wheels to revolve at different speeds by splitting your engine torque in two directions… AMC. GM 12 Bolt Truck. This reduces the load on the pinion, resulting in less parasitic loss from the friction and load. 5; GM 12 Bolt 8. Built the rearend over 7 years ago. : 14234 For dealers with involved vehicles, a listing with involved vehicles containing the complete vehicle identification number, customer name, and address information has been prepared and will be provided to US and Canadian dealers through the GM GlobalConnect Recall Reports. 200" give or take, different on the ring gear flange location. No texts or emails.