As a British engineering company, Hi Spec Motorsport Ltd
manufactures conversions, calipers and rotors at our premises in Dartford, Kent.
With over 25 years of experience making brake components,
Hi Spec Motorsport Ltd can manufacture conversions for many vehicles.
Please select from the options below for 1 piece disc brake conversion:
Kit cars using Ford Escort Mk2/Cortina uprights/hubs
All kit car brake conversions are based on standard hubs, if unsure or you have an after market hub/upright or custom fabricated upright, please contact us on 01322 286 850.
Please contact us if you do not see your vehicle listed or if you require a bespoke brake conversion.
* Please request wheel clearance diagram via email so you can ensure the brake conversion will fit within your wheel.
Caliper |
Disc Size |
Recommended minimum wheel size |
Starting from exc vat |
Ultralite 4 M16 Lug |
245 x 13 |
13”* |
£299 |
Ultralite 4 M16 Lug |
245 x 20 |
13”* |
£309 |
Ultralite 4 Princess Lug |
260 x 20 |
13”* |
£349 |
Billet 4 M16 Lug |
245 x 13 |
13”* |
£379 |
Billet 4 M16 Lug |
245 x 20 |
13”* |
£389 |
Billet 4 Princess Lug |
260 x 20 |
13”* |
£429 |
Ultralite 4 Radial 280 |
275 x 26 |
15”* |
£496 |
Ultralite 4 Radial 280 |
285 x 26 |
15”* |
£517 |
Billet 4 Radial 280 |
275 x 26 |
15”* |
£616 |
Billet 4 Radial 280 |
285 x 26 |
15”* |
£616 |
Billet 4 Radial 310 |
305 x 28 |
16”* |
£642 |
The base brake conversion for 13”* wheels includes a pair of lug mounted calipers, a pair or discs and necessary bolt/nuts hardware to bolt the calipers to the hub lugs.
1 piece disc brake conversion options
Please select from the options below for 2 piece disc
front brake conversions :
The base brake conversion includes radial mount calipers, a pair of 2 piece disc, a pair of brackets and necessary bolt/nuts hardware to bolt the brackets to the hub lugs and the calipers to the brackets.
2 piece disc brake conversion options
The base brake conversion for 15”* & 16”* wheels include a pair of radial mount calipers, a pair of disc, a pair of brackets and necessary bolt/nuts hardware to bolt brackets to hub lugs and calipers to brackets.
Caliper |
Disc Size |
Recommended minimum wheel size |
Starting from ex vat |
Billet 4 Radial 280 |
285 x 24 |
15”* |
£848 |
Billet 4 Radial 280 |
285 x 28 |
15”* |
£848 |
Billet 4 Radial 310 |
300 x 28 |
16”* |
£885 |
Billet 4 Radial 310 |
310 x 28 |
16”* |
£901 |
Monster 4 Radial 330 |
310 x 28 |
16”* |
£1083 |
Monster 6 Radial 330 |
310 x 28 |
16”* |
£1198 |
Billet 4 Radial 310 |
325 x 28 |
17”* |
£953 |
Billet 4 Radial 310 |
335 x 28 |
17”* |
£981 |
Monster 4 Radial 330 |
335 x 28 |
17”* |
£1164 |
Monster 6 Radial 330 |
335 x 28 |
17”* |
£1278 |