Alcon CR6420 380 Front Racing Brake Kit - F8X M2/M3/M4

Front, 6-piston ultra-premium motorsport brake kit for F8X M2/M3/M4

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Price:
$4,699.00

Alcon 380mm 6-piston Racing Brake Kit for F8X M2/M3/M4 features -
  • 380x34mm slotted rotors
  • 6-piston CR6420 forged calipers
  • Forged caliper brackets
  • Stainless brake lines
  • Fits under 18" wheels*
Alcon brings technology from the top levels of GT and Prototype racing to your feet with this 6-piston 380mm racing brake kit. BimmerWorld and Alcon worked together to build a braking system using Alcon's unparalleled racing pedigree combined with BimmerWorld's "zero compromise" approach to racing hardware built around our expertise with the E9X M3 and F8X M2/M3/M4 on the race track. This is a true racing brake kit with premium components not found on mass-market big brake kits. A matching rear kit is available and should be used for maximum effect.

We approached several major brake suppliers but only Alcon could provide us with the highest-quality materials and workmanship with a manufacturing base in the USA. The brake rotors are cast and machined in the US from a proprietary iron with high carbon and copper content that has exceptional thermal stability and high strength from low weight. These rotors come pre-bedded with pad material so time or performance is not lost with a bedding-in session. Rotors are two-piece with turbulator vanes and a floating hat assembly with anti-rattle clips (optional use). The turbulator design pumps air through the disc much more efficiently than straight or curved vanes. The rotors have a curved slot pattern.

The 6-piston GT/Touring Car calipers are forged from aerospace-grade billet aluminum in the UK. Dry weight is just 7.37lbs without pads. Forged two-piece calipers are extremely stiff, which translates into greater confidence in braking and optimum performance. Pad knock-back springs are included. The stainless pistons do not use dust seals so these brakes should not be used for street use**.

This kit does not include pads as standard equipment. A wide variety of pads are available. The caliper uses a industry-standard shape in a 25mm thickness. Pad part numbers are Alcon 4489, PFC 7790, Pagid 1539, Hawk 109x.980, Ferodo FRP3003, and Wilwood 8825.

* - One of the best features of this kit is that it can fit under 18" wheels! Click here for the wheel clearance diagram. * - BimmerWorld has confirmed fitment for our TA5R wheels (no spacers!), TA16 (10-12mm spacer recommended), APEX FL-5 (no spacers!), APEX EC-7 (10-12mm spacer recommended), and APEX ARC8 (clears but not recommended due to barrel clearance). If we don't list your wheel here, download the fitment template above and check your wheel.

** - To get the specs we wanted, dust seals have been deleted from the caliper design. We strongly advise against using these brakes for regular street use.

BMW Fitments:

2 Series
F87 (2016+) > M2 Competition S55 (2019+)
F87 (2016+) > M2 N55 (2016-2018)
3 Series
F80 (2015-2018) > M3 (2015-2018)
4 Series
F82 / F83 (2015-2020) > M4 (2015-2020)
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