Call 800-216-1632 Gain traction on the competition by adding a high performance aftermarket differential carrier to your ride. We have a great online selection at the lowest prices with Fast & Free shipping on many items! TOOOOOOOOO easy! We have a great online selection at the lowest prices with Fast & Free shipping on many items! The rugged, reliable, and efficient Chevy 12-bolt has established itself as the preeminent rear … CONVERTING NON POSI REAR END TO POSI ‘55 – ‘64 Chevrolet passenger car and ’56 – ’62 Corvette By Tom Parsons This article will be specifically directed at converting the 55-64 Chevrolet full size pass car and 56-62 Corvette NON-positraction rear end to positraction using an Eaton aftermarket posi … Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. Big torque doesn't have to mean big traction problems. http://www.swrnc.com or 972-420-1293 Most heavy-duty Chevy trucks come standard with positraction rear ends, but light-duty trucks … Get the correct parts the first time for your Chevy rear end. Top subscription boxes – right to your door, © 1996-2020, Amazon.com, Inc. or its affiliates. Both rear wheels of a Chevy truck with positraction (also called limited slip) will rotate when the truck is in gear. Chevy 12-bolts have a cast centersection, with steel axletubes that are pressed in and then plug-welded. ... 1 product rating - NOS Rear End Axle Vent Chevrolet Buick Olds Pontiac Posi Limited Slip 10 12 Bolt. Get the best deals for 12 bolt posi rear end at eBay.com. I … It won't hook up from a stand still but, the rear end does a side step (like it's doing a two tire fire) when the trans up shifts both 1-2 and 2-3 shifts at wot. Tell us about your vehicle to find the right parts faster, Leave feedback about your eBay search experience - opens in new window or tab. The 57(non-posi) and 58 axles are exactly the same axle. Posi, Gears & Bearing Kit Packages - Packages Include Limited Slip Eaton Style Clutch Posi Units, Ring & Pinion Gear Sets, & Master Bearing / Overhaul ... GM X-Body Nova 68-74 Complete 9" Rear End; GM Chevy S10 Complete 9" Rearend; GM F body 67-69 Complete 9" Rearend; ... Ford 9" / Trac-Lok Posi … Early truck 12-bolts had axles with 12 large axle … All it takes to swap an 8.5-inch rearend into a ’67-’69 Camaro is a ’72-’75 Nova housing, a clutch-type posi unit from any 8.5-inch rearend, and a set of used factory 3.42 gears. Currie ® 9-inch rearends for 1960 thru 1987 Chevy C10 trucks, provide a direct bolt-in solution for those looking to upgrade the rearend of their classic truck car or restomod build. See each listing for international shipping options and costs. C $2,029.80. Rear Axle Code example: CB G 112 1 E (CB = Ratio, G = Plant, 112 = 112th day of year, 1 = shift, E = Positraction Source) Assembly Plant Codes Buick - B Buffalo - C Cadillac - D Detriot Gear & Axle - G … Refurbished. Eaton Posi Performance differentials combine carbon friction discs with precision-forged gears to give you great traction… Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. If a (FACTORY) posi is installed in a 55-56-57 axle housing, then it is necessary to grind off 1/8in from the splines of the non-posi axles. This picture clearly shows where the end of an axle has made contact (shiny area) with the flat surface of a posi cross shaft. You can use a panhard bar, track locator, or Watt’s linkage. Blazers from 1969 through 1981 also used this differential (four-wheel-drive Blazers had it installed on the rear only). At a quick glance, you can also tell when you’re looking at a truck 12-bolt, because the rearend cover has an irregular shape. Summit Racing carries a large selection of both front- and rear-axle differentials from top-name manufacturers, including Eaton, Detroit Locker, Auburn Gear, Ford Racing, Yukon Gear & Axle, Currie, Strange, Moser, and many more; and for a variety of axle … Cover Charge. Your recently viewed items and featured recommendations, Select the department you want to search in, Automotive Replacement Differential Assembly Kits, Automotive Performance Parts & Accessories, Enter a new vehicle to add it to Your Garage and filter the results below, in Automotive Replacement Differential Assembly Kits. Save 57 chevy posi rear end to get e-mail alerts and updates on your eBay Feed. The posi axles were 1/8in shorter than the non-posi axles. Get the best deals for posi traction rear end chevy at eBay.com. This page was last updated: 05-Dec 11:54. Find Eaton Posi Performance Differentials and get Free Shipping on Orders Over $99 at Summit Racing! {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}. If a factory style posi is installed in a 55-56 rear, or ANY 57 NON-posi rear, then 1/8in needs to be removed from the splined end of the axles. Come to Drivetrain.com to find your Chevrolet and GM rear end gear ratio, ring and pinion gears, and ring and pinion sets. The gear ratio codes are located on the … And here are pictures of a broken cross shaft as a result of axle … (Accurate identification using the GM RPO code assumes that the rear end … The Powertrax® Traction No-slip systems are the latest design in traction adding differential technology. There's a problem loading this menu right now. 1960 OR EARLY 1961 CHEVY POSI REAR END REBUILT 3743833 , P CASE , F - 2 - 60 . 16 watchers. I've read on line that a completely dry and rebuilt 12 bolt rear end will take up to six quarts to fill. Buy It Now +$6.00 shipping. Re: Changing rear end to posi Aug 28 2011, 11:55pm G80 is the RPO code for GM's factory locking rear differential, however, the G80 is a very general RPO code and was used in S10's, … All of these … $23.00. Yukon Gear YDGF9.75 1 Differential Dura Grip Slip Positraction 9.75" Ford w/ 34 Spl Composite Clutches, Ford 9.75" Differential (YDGF9.75-34-1), Yukon Gear YDGGM8.5-3-30-1 GM 8.5"/8.6" - 30 Spline Axle Dura Grip Slip Positraction, Detroit Locker 913A481 Trutrac Differential with 30 Spline for GM 8.5/8.6", 10 Bolt Rear End, Yukon Gear ZKGM8.5-HD Master Overhaul Kit for GM 8.5" Differential, USA Standard Gear (ZIKGM8.6-S-30V2) Spider Gear Set for GM 8.6 Differential, Yukon Gear & Axle 10-Bolt Open Spider Gear Kit for GM 8.6 Differential (YPKGM8.6-S-30V2), Yukon Gear & Axle (YGLGM8.5-3-30) 30-Spline Grizzly Locker for GM 8.5/8.6 Differential with 2.73 & Upward Axle Ratio, 1953-1996 Corvette Rear End Gear Lube Additive GM Posi 4 OZ, Yukon Gear & Axle (YPKGM8.5-P-30) Positraction Internal for GM 30-Spline 8.5 Differential, Yukon Gear & Axle (YK GM8.5-HD) Master Overhaul Kit for GM 8.5 Differential, Yukon YDGF9-31-AG Duragrip Differential for Ford 9" with 31 Spline Axle, USA Standard Gear SL GM8.5-28 GM 8.5" differential-28 Spline axles Spartan Locker, Yukon Gear & Axle (YP C2-GM8.5-R) Polished Aluminum Cover for GM 8.2/8.5/8.6 Rear Differential, Nilight - 50004R 120 Pcs/60 Pairs Quick Splice Wire Terminals T-Tap Self-stripping with Nylon Fully Insulated Male Quick Disconnects Kit, 2 Years Warranty, Yukon Gear & Axle (YDGGM8.5-3-28-1) Duragrip Differential for GM 8.5 with 28 Spline Axle, Yukon Gear & Axle (YK GM8.5) Rear Master Overhaul Kit for GM 8.5 Differential, Yukon Gear & Axle (YPKGM8.5-S-30) pider Gear Kit for GM 8.5 30-Spline, Yukon Gear & Axle (YK GM8.6-B) Master Overhaul Kit for GM 8.6 Differential, Yukon Gear & Axle (YPKD60-PC-P/L) Power Lok Steel/Fiber Clutch Set for Dana 60/70 Differential. Featuring pyrolytic carbon clutches, rebuildable … I thought that must be a typo and they must mean six pints but they swear it's six courts. 1958 CORVETTE & CHEVY 3743833 L37 DATE POSI REAR END CASE DIFFERENTIAL CASE (Fits: Chevrolet… Regular axles for non-posi rears and posi axles. GM Chevy 8.5" Chevy 10-Bolt Rearend Posi - 30 Spline, Gear, Bearing Kit Package - 3.73 Ratio A limited-slip differential will prevent the tire with less traction … It's all in the Spline Count! Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. Step 22: Mount Track Locator Bar. All that is left is to pull the rear end and finish welding the brackets in place. From United States. Something went wrong. The limited-slip differential is similar to the positraction differential, but allows the wheel with traction to have only a limited amount of greater power than the wheel that is slipping. Copyright © 1995-2020 eBay Inc. All Rights Reserved. The track locator bolts to opposing sides (one front and one rear… + Update your shipping location ... 3 product ratings - MUSTANG 8 INCH FORD REAR COUGAR STREET ROD REAR END TRAC-LOC POSI … ... 1965 GM 12 bolt rear Posi Trac … RPO: Axle Type: G76 Rear Axle (Posi) G80 Positraction G81 Positraction (Rear) G86 Limited Slip (Rear) G87 8.5" Ring Gear G89 7.5" Ring Gear The Eaton Posi limited-slip differential is the perfect way to control traction in street rods, light duty pickups and all types of tarmac running race cars. GM 12 Bolt Car / Custom Alloy C-Clip Axle Shafts / 30 Spline / 1968-1972 Chevelle $180.00 GM 8.2" 10 Bolt (Chevy) / Custom Alloy C-Clip Axle Shafts / 28 Spline / 1967-1969 Camaro After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. This means that there will be greater traction in all environments, as both rear wheels are turning under power. Buy It Now +C $189.79 shipping estimate. This is a rear from a … This bar centers the rear housing under the car. Often the plug welds crack, allowing the tube to get sloppy. View cart for details. This is beneficial in hard-corner turning. You’re seeing this ad based on the product’s relevance to your search query. pic for this rear end and is this rear end a posi too the pic for the 1st rear end glove box is 1995 ss,20'rims,98 front end,rear disc brakes,2/3 drop,step side bed ,caddy lights,cowl hood, Xtreme kit,ss mirrors,power bed cover,step shavers,blacked out tail lights,tag in rear window,shaved 3rd brake light,,shaved ass end 1958-1970 Chevy Rear Differential code Identification Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. Had an Auburn unit in the truck with my 3.73's that worked great. Swapped it with another S10 for the 3.42's I have now expecting the "posi… Currie 9-inch rearends are built to match the vehicles original equipment axle … It combines the smooth operation of a limited-slip differential, with the traction performance of a … Number of bids and bid amounts may be slightly out of date. * New GM Chevy 8.2" Posi Unit - 28 Spline Axles * Eaton-Style (clutch) Posi Unit * Fits 3.08 & Numerically Higher Gear Ratios (3.36, 3.55, 3.73, 4.11, etc) * 25 Spline Pinion * Nodular Iron Casing, …