Wilwood MC4 Brake Caliper Driver Side Mechanical Aluminum - Black Anodize Arm Restraints If the new Pro-Cap doesn't

If the new Pro-Cap doesn't work on your application

All in One Decoder

Multi Layer Stainless Steel

Getting this much flow from a stock geometry 23° head is an extremely impressive accomplishment

Adjustable Power Levels

Wilwood MC4 Brake Caliper Driver Side Mechanical Aluminum - Black Anodize Arm Restraints If the new Pro-Cap doesn'tWilwood's MC4 Mechanical Parking Brake Caliper is a multi use, cable operated brake caliper that combines high output performance with simplicity in design and construction, and is the perfect solution for vehicle applications requiring a separate, mechanically actuated parking brake caliper. Built to accept rotors that are . 810" thick, with 11. 00" 12. 88" diameter range, the MC4 combines an efficient die cast body with a forged billet anvil for