F8X AP Racing 9660 Front Big Brake Kit
AP Racing 9660 Big Brake Kit – Gridlife Track Proven (BMW F80 / E8X / E9X)
This AP Racing 9660 front big brake kit is the exact setup that delivered a 3rd place finish in the Gridlife Track Mod Championship. It has been pushed hard in real competition—surviving Chicago summer heat and wet race conditions in Pittsburgh without missing a beat.
These brakes a the real professional stuff, and perform flawlessly under extreme conditions. They are being offered at an insane value compared to new retail.
Entire kit is in fully usable, working condition.Vehicle Compatibility
Direct fit: BMW F80/F82 M3/M4
Adaptable to: BMW E8X & BMW E9X
(by converting to F8X front knuckles)
Included:
AP Racing 9660 Calipers
AP Racing 372x34mm Brake Rotors
AP Racing Pad Tensioner Kit
CSG C21 Brake Pads
CSG C2 Brake Pads
Hawk HPS Brake Pads (Brand New Set)
Titanium Brake Pad Shims
AP Racing Spiegler Stainless Brake Lines
Pad & Rotor Condition Breakdown
Brake Pads (3 Total Sets Included)
CSG C2:
11.6mm thickness
~44% life remaining
CSG C21:
11mm thickness
~39% life remaining
Hawk HPS:
Brand new
Rotors - Pair Included
Used for one race season
Current thickness: 33.68mm
New thickness: 34mm
Normal surface heat checking
No cracks or structural concerns
Retail Comparison
New Price with Two Sets of CSG Pads: $7,200+
Summary
Proven Gridlife podium brake package
Extreme heat & wet-race tested
Direct bolt-on for F80
Upgrade path for E8X & E9X
Fully functional and ready to race
Huge savings vs new retail


































