8.5” & 8.6” GM Truck Rearend Narrowing Kit - 1988 & up

Description

Here we have the tools needed to hold most 1988-up 8.5" Chevy/GMC truck rearend housings in alignment when you are narrowing, assembling or changing the width.
This kit does not fit the 1988 & older GM truck rearends.
Included are.....
One pair of housing end bushings or rings that fit either the GM truck housing ends that use the 2.804" o.d. bearing (513067) or the GM truck housing ends that use the 2.842"" o.d. bearings. (R59047)
One pair of lock rings to hold the above bushings in place on the shaft.
And one pair of bushings or rings that would fit in the 8.5” GM differential case that measures 2.891". These bushings fit where the differential bearings would normally be. (LM102911 or LM501314)
And one pair of bushings or rings that would fit in the 8.6” GM differential case that measures 3.06". These bushings fit where the differential bearings would normally be. (LM603049/LM603012)
Not designed for the B-O-P rearends that have bolt-in axles. This kit is for c-clip style axles.
Also works with 7.5" & 8.8" Ford,
All four are designed to be used with a 1 1/4" o.d. alignment shaft and the bushings are machined from 6061 aluminum right here in good old Missouri.
6061 aluminum is the material of choice for Dart aluminum engine blocks, Aeroquip AN fittings, aluminum racing flywheels, OHC camshaft sprockets, etc. These are just bushings and will see no wear or abuse and should last a lifetime.
The 1 1/4" shaft
IS NOT
included in this listing.
Due to the high shipping cost of a solid steel bar five feet long , we suggest you source the alignment bar locally or online. Most people use a 1 1/4" o.d. 1018 solid steel cold rolled shaft 60" – 72” in length. The common bar diameter of 1018 cold rolled steel is 1.248” and works well. The industry standard for 1018 round bar is .002” smaller than the stated diameter. Chrome Moly, Stainless Steel and tubing may be larger than the 1.248" required. SpeedyMetals, OnlineMetals and DiscountSteel are a good source for the bar although you should be able to source it from a local welding or steel shop. Obviously the shaft needs to be straight, not rusty and the proper length for your project.
Lightly lubricate the bar with oil.
We also have kits for 10 bolt GM, 12 bolt GM, 7.5" GM,
55-64 Chevy Car, 57-64 Olds, 59-64 Pontiac, 8 3/4" Mopar, Dana 35, Dana 44, Dana 60,
6.7: Ford, 7.5" Ford, 8" Ford, 8.8" Ford and 9" Ford. Check our other listings.
Check our other listings for more rear axle, frame and suspension parts.
If you have any questions you can contact us through eBay Messages.
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Will combine shipping when feasible.
Shipping to the lower 48 states only.
No overseas shipping.
Concerning Returns – Buyer is responsible for return shipping – 10% will be deducted from refund to cover fees
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