AP Racing Radi-CAL Competition Front Kit 372mm - Camaro, ATS-V, CTS-V

The AP Racing by Essex Radi-CAL Competition Brake Kit is a front brake system for the sixth generation Chevrolet Camaro SS, SS 1LE and ZL1, plus the Cadillac ATS-V and third generation CTS-V. It uses AP Racing CP9668 Radi-CAL Pro5000R six-piston calipers with 372 x 34mm, 72-vane J Hook discs, and fits behind the OEM 1LE 20 inch and ATS-V 18 x 9 coupe front wheels without a spacer.

Why upgrade

These Alpha-platform cars are heavy and powerful, and the factory Brembo systems are expensive to maintain at the track. This kit saves about 20 pounds of unsprung weight from the nose compared with the OEM SS 1LE brakes. Each caliper weighs 6.9 pounds against 9.7 for the factory six-piston Brembo, and the 25mm pad is much thicker than the 17mm original, so it lasts longer between changes. Pistons are sized for the OEM master cylinder and ABS.

Caliper and disc construction

The CP9668 is a radial-mount Radi-CAL caliper with an asymmetric, computer-optimized body and hard anodized finish. Stainless pistons, anti-knockback springs and low-drag seals keep the pedal firm through long sessions. The CP7177 discs ride on 6061 hard anodized aluminum hats with fully floating hardware.

Features

• AP Racing CP9668 Radi-CAL six-piston calipers
• 372 x 34mm, 72-vane J Hook discs on floating hats
• About 20 lb lighter than the OEM SS 1LE brakes
• 25mm pads for long service life
• Clears OEM 1LE and ATS-V coupe wheels

What's Included

• One pair AP Racing CP9668 Radi-CAL Pro5000R six piston calipers
• One pair 372x34mm AP Racing CP7177, 72 vane, J Hook racing discs, with fully floating 6061 hard anodized aluminum hats and attachment hardware
• One pair caliper mounting brackets and hardware
• One pair Spiegler Stainless Steel Brake Lines with abrasion resistant coating
• Detailed installation instructions

Brake pads are not included.

Specifications

Video

Fitment notes

Fits the Camaro and Cadillac models below. It will fit the ZL1 and CTS-V, but Essex strongly recommends a larger 390mm kit for any supercharged or forced induction car, so call us before ordering for those. Clears the OEM 1LE 20 inch front wheel, APEX ARC-8 19 x 10 ET20 and 19 x 11 ET11, APEX SM-10 18 x 10 ET19 and 18 x 11 ET7, and Forgeline 19 x 11 wheels without a spacer. Call us about Camaro LS and LT models.

Fitment