Essex Parts | AP Racing 325X32 4 Piston Front Brake System | Competition

from $3,100.00

We are proud to offer Essex Parts’ 325X32 4 Piston competition front brake system, based on the CP8350 4 piston caliper and CP3908 70 vane 325X32mm J hook rotor, both from AP Racing. Unlike other big brake kits on the market, the Essex Parts 325X32 kit was designed from the outset to endure hard track and even competition use, without compromise. Sized to work with the OEM ABS system, master cylinder, and rear brakes, this kit also manages to save 14lbs of unsprung mass over the OEM single piston caliper and iron rotor.

Check out the additional information below, as well as our technical section, for more information on individual components and the benefits of each.

ATTENTION: Installation requires removal of the front dust shields, which is only possible via cutting or removal of the front bearing, which then necessitates a replacement bearing!

NOTE:Kits are assembled upon order which can add 2-5 days to your order. If you have any questions or concerns, please contact us!

Brake Pads:
Pre-Bed Discs in Your Compound (Adds 2 day lead):
Pad Tension Kit:

We are proud to offer Essex Parts’ 325X32 4 Piston competition front brake system, based on the CP8350 4 piston caliper and CP3908 70 vane 325X32mm J hook rotor, both from AP Racing. Unlike other big brake kits on the market, the Essex Parts 325X32 kit was designed from the outset to endure hard track and even competition use, without compromise. Sized to work with the OEM ABS system, master cylinder, and rear brakes, this kit also manages to save 14lbs of unsprung mass over the OEM single piston caliper and iron rotor.

Check out the additional information below, as well as our technical section, for more information on individual components and the benefits of each.

ATTENTION: Installation requires removal of the front dust shields, which is only possible via cutting or removal of the front bearing, which then necessitates a replacement bearing!

NOTE:Kits are assembled upon order which can add 2-5 days to your order. If you have any questions or concerns, please contact us!

Additional Information

  • Reduces ~14lbs of unsprung weight vs the OEM single piston sliding setup

  • Caliper and all aluminum hardware is hard anodized to handle elevated temps

  • Domed back stainless steel pistons to keep heat out of your brake fluid and ensure a stiff pedal

  • Anti-knockback springs on pistons

  • Single bolt pad change using commonly available pad shape, 20mm thick. No need to remove caliper to change pads

  • High temperature, low drag piston seals designed to handle track duty

  • No dust boots - no risk of melting

  • Disc metallurgy specifically designed to handle competition duty for long term durability

  • Cost effective lifetime professional caliper rebuild service available through our partner. Pull them off and send them in for a full cleaning and reconditioning

System Includes

  • Left and right AP Racing CP8350 calipers made in UK

  • Left and right 6061 aluminum caliper mounting brackets with studs, washers, mounting bolts and K-nuts

  • Front stainless steel brake lines manufactured by Spiegler in the USA with banjo bolts and crush rings

  • Left and right AP Racing 325X32 70 vane friction discs assembled on 6061 aluminum mounting hats with anti-knockback/rattle springs. Friction discs made in UK and mounting hats made in USA.

  • Rotor retention screws

  • We highly recommend using AP Racing Radi-Cal Brake Fluids, Ferodo pads and having your pads bedded in by us so your rotors are ready to use

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