Wilwood DynaPro Dual SA Lug Drive Dynamic Rear Drag Brake Kits 140-12557-D spo-default Valve springs with larger diameters

Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs

terminals and hardware

and strobe Includes compact jump starter

same as OE

11 (22/27 Teeth

Wilwood DynaPro Dual SA Lug Drive Dynamic Rear Drag Brake Kits 140-12557-D spo-default Valve springs with larger diametersBrand: Wilwood Disc Brakes Manufacturer's Part Number: 140 12557 D Part Type: Disc Brake Kits Product Line: Wilwood DynaPro Dual SA Lug Drive Dynamic Rear Drag Brake Kits Automotive Fittings Part Number: WIL 140 12557 D UPC: 889545016864 Position: Rear Front Rotor Included: No Brake Rotor Bolt Pattern (in.): Dual 5 x 4. 50 in. 5 x 4. 75 in. Brake Rotor Bolt Pattern (mm): Dual 5 x 114. 30mm 5 x 120. 65mm Axle Housing Flange Style: Lamb Mark Williams