Wilwood Brake Rotor Bolt Kit - 5/16"-18 x 1.0" - Hex Head - Steel (Set of 8) 421991 Kit includes Roller Thrust Button

Kit includes Roller Thrust Button #MAN42111 that is placed between the camshaft nose and the timing chain cover to prevent the camshaft from "walking" forward in the block

450 in Stock Square Port

880 in Bore

Hydraulic Release Bearing Only

Wilwood Brake Rotor Bolt Kit - 5/16"-18 x 1.0" - Hex Head - Steel (Set of 8) 421991 Kit includes Roller Thrust ButtonWilwood's Rotor Bolt kits contain bolts and hardware for mounting rotors specific hat or adapters. Wilwood is a leading manufacturer of high performance brake systems and components to fit a wide range of track and street applications. They offer everything from individual components like rotors, calipers, and pads to complete bolt on kits. Wilwood Engineering designs and manufactures high performance disc brake systems. Since the companys inception