Wilwood Compact Master Cylinder - 1.00" Bore - 1.100" Stroke - Integral Reservoir - Black Paint 21411606 This is the large size

This is the large size version with a 20 degree angle

these shims are heat treated to stand up to radical cam lobes

Works with a M-155 standard volume oil pump with 3/4" inlet

Protect your engine with 20 to 25 percent more oil volume

Wilwood Compact Master Cylinder - 1.00" Bore - 1.100" Stroke - Integral Reservoir - Black Paint 21411606 This is the large sizeProduct Description: Master Cylinder Compact 1. 00 in Bore 1. 100 in Stroke Integral Reservoir Aluminum Black Paint 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