Wilwood 140-9282-DP Forged Dynalite Rear Parking Brake Kit 12.19 Drilled Slotted Polished - USA-WIL-140-9282-DP - Forged Dynalite Rear Parking Brake Kit This group of FDL Pro-Series rear disc kits provides a complete solution for popular muscle car rear axles that require a parking brake. Forged billet Dynalite four piston calipers, 12.19” one-piece drum/rotors, and high friction pads provide optimized and balanced braking for all types of custom performance street/strip and show machines. The neatly hidden internal shoe system provides a clean installation with superior static holding power for parking. Optional caliper finishes and rotor designs enable the builder to personalize the style and optimize brake performance for every individual application. Rear End Axle: Small Ford Axle Offset: 2.50 Mount Type: Lug Caliper Type: 4 - Polish Rotor Diameter: 12.19 Min Wheel Diameter Req'd*: 15 Kit Components & Specifications Calipers Left Hand - Part No: 120-13839-P Right Hand - Part No: 120-13839-P Type: Forged Dynalite Internal Finish Color: Polish Piston Count: 4 Piston 1 Bore (in): 1.38 Piston 2 Bore (in): 1.38 Piston Area (In²): 3.00 Piston Type: Stainless Mount Type: Lug Brake Pad Plate: 7112 Brake Pad Area (In²): 6.36 Brake Pad Volume (In³): 2.1 Pad Compound: BP-10 Rotors Left Hand - Part No: 160-9813-BK Right Hand - Part No: 160-9812-BK Type: SRP Drilled Rotor & Hat Style: SRP Drilled & Slotted Surface Finish: Black Electro Coat Material: Iron Outside Diameter (in): 12.19 Width (in): 0.81 Vane Count: 32 V Design Type: SRP-BLK Burnished: No Dynamically Balanced: No