The CP8310 / CP8316 and CP8317 range of 6 piston heavy duty calipers from AP Racing have been developed for use on powerful, heavy vehicles such as SUV and 4X4. Manufactured from a 2 piece cast aluminium body with differential size alloy pistons fitted with dirt seals to prevent contamination of the pistons and bores. The calipers are deigned to handle higher line pressures and accept a pad with a large friction surface area for improved stopping power. Ideal for heavy, powerful vehiclesFits over large disc sizes (up to 410 x 36mm)Alloy pistons with seals to prevent dirt ingressAnti rattle pad clips reduce noiseAP Racing CP8310 / CP8316 and CP8317 caliper ranges all share the same features apart from piston sizes.CP8310 piston sizes - 27.0 x 2 / 31.8 x 2 / 38.1 x 2, piston area - 50.4cm²CP8316 piston sizes - 36.0 x 2 / 38.1 x 2 / 41.3 x 2, piston area - 70.0cm²CP8317 piston sizes - 31.8 x 2 / 36.0 x 2 / 38.1 x 2, piston area - 59.0cm²Caliper SpecificationsMin Disc Dia350mmMax Disc Dia4