Complete AP Racing Lightweight Radi-CAL Competition Brake Kit for the 981 Spyder. Select your Advance Friction Performance pad options with purchase and SAVE.
AP Racing Radi-CAL front caliper kit fully compatible with OE rear caliper kit.
Front AP Racing CP9661 Radi-CAL six piston calipers
Rear AP Racing CP9451 Radi-CAL four piston calipers
No unsprung weight penalty vs. OEM despite the additional pistons (6 vs. 4) and much larger disc
Huge array of brake pad options from all major pad manufacturers
Front 372x34mm, 84 vane AP Racing disc
Rear 340x28mm, 60 vane AP Racing disc
Every component designed to resist the heat of extended track sessions
Pistons sized properly to allow for seamless integration with OEM master cylinder and ABS system
Front designed to work with OEM rear brakes or our AP Racing rear brake kits
Rear should only be used with front AP Racing Brake Kit