CNC, Inc.CNC, Inc.

Billet Aluminum Calipers

Six Piston

Series 631
Six Piston Brake Caliper

Our 631 Series calipers are a 6 piston design and weigh 5.2 pounds each. Piston diameters are 1.375” , 1.5” and 1.74”. Rotor diameter can range from 9” to 14”. Specify your rotor thickness. Caliper mounting bracket hole spacing is 6” and the brake pad size is 6”.

  • Strongest available but still light weight.
  • Machined from billet aluminum.
  • Internal crossover passage - No external tube assemblies to break.
  • Uses grade 8 bolt to hold pads, not a clevis pin.
  • Stainless steel pistons.
631RCaliper - Right
631LCaliper - Left
956O-Ring kit
960-SPiston
964Piston
961-LPiston
1431Bleeder fitting
1432Bleeder screw
1433Pad bolt and nut
Series 631 Six Piston Brake Caliper