Description
Our CP9660/372mm Radi-CAL Competition Brake Kit offers our customers the following advantages over the OEM brake system:
– Eliminates 23 lbs. of unsprung weight from the nose of the car
– Clears OEM 19″ wheels without a spacer and fits many 18″ wheels
– AP Racing Radi-CAL calipers are the stiffest, lightest, and most technologically advanced calipers available at any price
– CP9660 calipers use a 25mm thick, commonly available brake pad shape
– Ventilated, domed back, stainless steel pistons keep heat out of the brake fluid and provide an ultra-firm pedal
– Mitigation of pad knockback via anti-knockback springs behind the caliper pistons
– Anodized caliper finish that is resistant to wear and deterioration at elevated temperatures
– Stainless steel caliper hardware for a long caliper service life under frequent pad change conditions
– High temperature, low drag seals that will hold up to track temps= less rebuilding and longer service life
– No dust boots to burn up
– Simple pad change with two bolts or quick-change spring clip, no caliper removal required
– Lifetime professional caliper rebuilding support by Essex (at a fee)- pull off your calipers, send them to us, we clean, inspect, and rebuild them
– Available disc burnishing service ensures that your kit arrives ready to be installed and driven hard immediately
– Championship winning, 84 vane, fully floating, AP Racing J Hook racing discs with 12 attachment points to hat
– Anti-knockback/anti-rattle disc attachment hardware
– Replacement iron disc rings available at an extremely competitive replacement price
– Disc metallurgy specifically designed to handle the temps typically seen on track offer a long service life
– Highest quality, Spiegler stainless steel brake line with clear sheath that reduces compliance over OEM rubber design
WHAT’S IN THE BOX?
– One pair AP Racing CP9660 Radi-CAL Pro5000R six piston calipers
– One pair 372x34mm AP Racing CP6084, 84 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
– RADI-CAL
“Radi-CAL” is a blanket term used to describe AP Racing’s patented asymmetrical brake caliper design. Radi-Cal technology is grounded in Computer Aided Design (CAD) and Finite Element Analysis (FEA), and allows for organic, alien-looking designs that are a radical departure from conventional caliper designs of the past. Radi-CAL’s are widely considered the pinnacle of current brake caliper technology. Since their inception in 2007, these revolutionary calipers have amassed a lengthy string of race victories at all levels of professional motorsport, while redefining brake performance expectations.
The key benefits of the Radi-CAL design:
– Massive Stiffness Increase- A 30+ % increase in both static and dynamic stiffness vs. conventional calipers allows for far less deflection under load, which means superior pedal feel & modulation, more even pad wear, and longer caliper service life.
– Considerable Mass Reduction- Removing all extraneous caliper mass lowers the caliper weight, despite the huge stiffness increases.
– Optimized Airflow- Air moves around and through the caliper more efficiently, providing superior heat evacuation and cooling.
– Efficient Packaging- The asymmetric caliper profile and internal fluid porting allows the caliper to fit into tighter spaces.
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