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1 December 2016

AP Racing strengthens Radi-CAL™ Pro 5000 R range

AP Racing has further expanded its industry leading Pro 5000 R range, with six brand new entry-level brake calipers. Featuring innovative Radi-CAL™ technology, the calipers represent the next generation of the popular Pro 5000 range and set the benchmark for value and efficiency.


- These new variants will be available to order from quarter 3 2017.

- Selecting the product CP number links to the individual product page. 


CP9446 / CP9447

The CP9446 is a four-piston caliper suitable for general competition use that feature AP Racing’s

Radi-CAL™ technology. The caliper has a forged two-piece aluminium alloy body and benefits from

a radical asymmetric design concept, offering superior dynamic performance.

Featuring a radial mount with 180x35mm ctrs, the caliper suits discs up to Ø380 x 32/28mm thickness. The smaller bore version, CP9447, is of the same design but is suited for rear applications.


This four-piston caliper is of comparable design, including a forged, two-piece aluminium alloy body. CP9448 again incorporates the Radi-CAL™ design philosophy and features a radial mount with 152 x 44mm ctrs, being suitable for brake discs measuring Ø380mm x 32/28mm thickness.

The CP9448 is suitable for front applications, and benefits from a 4lb anti-knockback spring fitted as standard.


CP9449 / CP9450 / CP9541

The CP9449 is a four-piston caliper that similarly incorporates the Radi-CAL™ design philosophy, benefiting from the radical asymmetric design concept that offers superior dynamic performance.

Suitable for rear brake applications, this caliper features a radial mount of 152 x 44mm ctrs, the caliper suits discs up to Ø380 x 32/28mm thickness. The CP9450 and CP9451 are comparable but utilise different sized pistons.


These latest additions to AP Racing’s Radi-CAL range feature an integral pad retainer that is designed to enhance caliper stiffness, as well as stainless steel pistons and wear plates and a bolted pad retainer