Nine Tarox Sport 6-piston kits for the Seat Ibiza MK2: 300mm (16in), 318mm and 330mm (17in), covering the 1.8i 16V, 2.0 GTI and Cupra. The Cupra uses a different front hub from the standard models. Confirm your variant before ordering.

Nine Tarox Sport 6-piston kits for the Seat Ibiza MK2: 300mm (16in), 318mm and 330mm (17in), covering the 1.8i 16V, 2.0 GTI and Cupra. The Cupra uses a different front hub from the standard models. Confirm your variant before ordering.

Seven HiSpec kits for the Volkswagen Golf MK1: 278mm solid disc entry at £785.44 and two-piece floating discs from 285mm to 335mm. Factory 13-14 inch wheels clear none of them; every kit here needs 15 inches minimum.

A bigger disc does not change how much fluid your master cylinder has to move. That is set by the caliper. Here is when a master cylinder or braided lines actually matter, and when they do not.

Every Tarox big brake kit for the Seat Leon MK1, from the 323mm Sport entry point to the 360mm Super Sport, with real minimum wheel sizes and what actually arrives in each box.

Eight HiSpec Billet 4 kits for the Ford Cortina MK5: 1P solid disc from 245mm and 2P floating disc from 285mm, covering 15 to 17 inch wheels from £672 to £1,320. Two Ultralite 4 kits appear cheaper in this category but are compact race calipers not suited to this car.