Wilwood Disc Brakes Releases Powerlite Brake Kits for 1969 1974 Porsche 911 Wilwood Braking Systems for Porsche Design 911 Wilwood 140 6743 Superlite 6 Big Brake Front Brake kit Wilwood Braking Systems for Porsche Design 911 Wilwood Braking Systems for Porsche Design 911. Wilwood engineered these big brake kits around motorsports proven Superlite calipers for the classic 1969 89 Porsche 911. Larger 310mm (12. 19) iron alloy rotors with forged aluminum mounting hats and Wilwood brackets produce greater brake torque and less fade, while weighing substantially less than OE. These rigid, forged billet aluminum four piston calipers upgradethe stock 911 to a spec similar to the 1974 RS or 930 turbo, with the added advantage of decades of material, design, and manufacturing advancements. Kits are available for both 3. 0 (76,2mm) and 3. 5 (88,9mm) mounting tabs. Kit Features: Superlite front calipers have been proven in countless road race, circle track, and off road competition classes, evolved over decades and refined through millions of laps Direct bolt on upgrade for 1969 89 Porsche 911 with no permanent modifications Designed to work with OEM master cylinders and rear brakes to maintain proper front to rear brake bias Calipers: Superlite FNSL4R Stress flow forged aluminum calipers with stainless steel pistons for strength and durability Offered in gloss Le Mans yellow, black or red powder coat, over durable wear resistant Type III hard anodized coating Rotors: Plain or SRP Drilled & Slotted Big 310mm (12. 19) x 28mm (1. 10) vented rotors for greater brake torque and more thermal capacity (28mm 1. 10 larger than OE) Precision machined, low distortion proprietary iron alloy rotors with 32 cooling vanes, mounted to forged aluminum hats Rotors offered with GT slotted, or SRP drilled and slotted faces Brake Pads: BP 10 High performance street BP 10 brake pads with many other friction compounds available Installation Parts: Kits include brackets, stainless Flexlines, fittings, and hardware Part numbers available to fit 3. 0 (76,2mm) and 3. 5 (88,9mm) spaced front strut mounting tabs *This Brake Kit may fit 15 inch wheels. Please refer to the wheel clearance diagram to check to see if it will fit your specific wheel.