The Monster 4 runs four large pistons in a 6082 T6 billet aluminium body, with billet pistons, high temperature EPDM seals and stainless steel wear plates. It is the step up from the Billet 4 for quicker road cars.
A bolt-on front big brake conversion for the Ford Sierra Cosworth 2WD, built around 310mm x 28mm two piece discs on alloy bells and the Monster 4 caliper. Minimum wheel size is 16 inch, and as always check your own wheels clear the caliper before ordering.
Fits:
- Ford Sierra RS Cosworth 3 door 1986-1987
- Ford Sierra Cosworth RS500 1987
- Ford Sierra Sapphire RS Cosworth 2wd 1988-1989
In the kit:
- Pair of Monster 4 calipers
- Caliper mounting brackets
- Pair of grooved discs, 310mm x 28mm
- Alloy mounting bells
- Fitting hardware
Specification:
- Caliper body: 6082T6 billet aluminium
- Pistons: Hard anodised billet aluminium
- Pad swept area: 127.5 x 47mm
- Weight (approx): 2200g
- Hydraulic thread: M10x1.0
Brake pads and braided hoses are not included. Drop us an email or click to open a chat and we will match the right pads and hoses to this kit. Standard finish is powdercoated black. It can also be ordered in blue, yellow, silver or red, which adds to the build time.
All Hi Spec calipers and discs are made to order in the UK, so please allow up to 28 working days. The image shows the Monster 4 caliper and may not match the exact parts supplied.



