Ratech Complete Differential Installation Kit - 8.5 in / 8.625 in - GM 10-Bolt DR18-150-5.5 The Pro-Series Regulator

The Pro-Series Regulator

No drilling or special hardware required

These reinforcement rails are designed to be used with flat flange oil pans and one-piece silicone rubber oil pan gasket (PN M-6710-A50)

Ford Engine Flexplate w/ Dual Pattern GM Transmission

Straight Cut

Ratech Complete Differential Installation Kit - 8.5 in / 8.625 in - GM 10-Bolt DR18-150-5.5 The Pro-Series RegulatorProduct Description: Differential Installation Kit Complete Bearings Crush Sleeve Gaskets Hardware Seals Shims Marking Compound 8. 5 in 8. 625 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