0.37″-0.72″ Tapered Wilwood Caliper Piston Knock Back Springs, 3.0lbs, for Piston dia 1.00″-1.50″

Wilwood caliper piston springs are used in low brake pedal situations due to piston knock back caused by vibration, mount or spindle flex. They help keep the brake pads close to the rotors so brake engagement is as fast as possible upon depression of the brake pedal.

• For use in Wilwood conventional stainless steel pistons and Thermlock® pistons from 1.00” to 1.50” diameter.
• Taper: 0.37″-0.72″
• O.D.: 1.00″
• Rate: 3.0 lbs.
• Total Coils: 7
• Material: Stainless Steel
• Wilwood part number: 300-17297.