Ratech Complete Differential Installation Kit Bearings/Crush Sleeve/Gaskets/Hardware/Seals/Shims/Marking Compound GM 8.5" 10 Bolt JB110020 This fully adjustable tool fits

This fully adjustable tool fits easily onto your rocker arm for pressure checks and will measure pressure up to 600 lbs

This filler neck flange accepts a standard radiator cap and fits Chevy intakes

Black w/ smooth grip

Air Jack Mount Kit

Ratech Complete Differential Installation Kit Bearings/Crush Sleeve/Gaskets/Hardware/Seals/Shims/Marking Compound GM 8.5" 10 Bolt JB110020 This fully adjustable tool fitsProduct Description: Differential Installation Kit Complete Bearings Crush Sleeve Gaskets Hardware Seals Shims Marking Compound 8. 5 in GM 10 Bolt Ratech wants all racers to know about The Myth that "All Shim Packs in the market are the same. They're just washer shaped steel that come in different thickness." WRONG! Ratech manufacture all of their shims in house on their own machinery. Ratech uses the absolute finest American made Hardened Shim Stock