The Ultralite 4 is a narrow, light four piston caliper machined from 6082 T6 billet aluminium, with billet pistons. It suits light cars and kit cars where weight and wheel clearance matter. This kit uses the Princess version, a lug mount caliper that copies the Austin Princess pattern.
A bolt-on front big brake conversion for kit cars using Ford Escort Mk1/Mk2 RS or Capri struts, built around 260mm x 20mm one piece discs and the Ultralite 4 Princess caliper. Minimum wheel size is 13 inch, and as always check your own wheels clear the caliper before ordering.
Fits:
- Kit cars fitted with Escort Mk1/Mk2 or Capri struts
In the kit:
- Pair of Ultralite 4 Princess calipers
- Pair of grooved discs, 260mm x 20mm
- Fitting hardware
Specification:
- Caliper body: 6082T6 billet aluminium
- Pistons: Hard anodised billet aluminium
- Pad swept area: 73.99 x 48.5mm
- Weight (approx): 925g
- 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 black anodised. It can also be ordered in blue, yellow, silver or red at extra cost, 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 Ultralite 4 caliper and may not match the exact parts supplied.



