Wilwood Forged Narrow Superlite 4R Front Brake System - 4 Piston Caliper - 12.190 in Drilled / Slotted Rotor - Black Powder Coat - GM SUV / Truck 1963-87 39000509 Fast-idle solenoid comes complete with

Fast-idle solenoid comes complete with its own bracket

3 in Drive Shaft Diameter

120" DOM seamless steel tubing

168Tooth Flywheel

125-300 lb/in Spring Rate

Wilwood Forged Narrow Superlite 4R Front Brake System - 4 Piston Caliper - 12.190 in Drilled / Slotted Rotor - Black Powder Coat - GM SUV / Truck 1963-87 39000509 Fast-idle solenoid comes complete withThe unsurpassed braking capacity of the Forged Narrow Superlite 4R four piston caliper serves as the base of this 12. 19" big rotor kit for the popular 1963 thru 1987 Chevrolet & GM C10 C15 Trucks with Wilwood's new Modular Drop Pro Spindles. SL4 kits are engineered application specific for simplified installation and full compatibility with OE master cylinder output and ABS functions where used. Big brake kits provide increased brake capacity and