The HiSpec Billet 4 caliper is our most universally applicable and widely used model.
CNC Machined Lightweight Aluminium Body, Four Pistons, Fully Dust Sealed, Rigid Design, Internal Fluid Crossover. The calipers billet aluminium pistoms come in 3 piston variations to ensure that the calipers are precisely suited to the weight and power of your car. Pad size 100x50x16mm. Weight 1.7kg. Hydraulic thread M10x1.0
Billet 4 Spec

The HiSpec Billet 4 rear handbrake is an excellent choice for medium weight and larger saloon cars.
The caliper has the capacity for discs from Ø 285mm up to Ø325mm giving an
perfect rear balance to our larger Billet 4 and Monster 4/6 front kits.
Meets all SVA regs. 7:1 camp ratio.
Billet Handbrake spec

The HiSpec Billet 4 rear handbrake is an excellent choice for medium weight and larger saloon cars.
The caliper has the capacity for discs from Ø 285mm up to Ø325mm giving an
perfect rear balance to our larger Billet 4 and Monster 4/6 front kits. Meets all MOT requirments.
Billet Handbrake spec