For more information on Hispec Calipers, please call 01322 286850.

Billet 4 range

Typical application:

● Front caliper for most road uses

Features

● The most popular HiSpec caliper


● Classic tried and tested design allows for confident braking


● Billet aluminium body (6082 T6)


● External dust boots protect ingress of dirt into the pistons


● Low maintenance, high performance calipers


● Billet aluminium pistons (6082 T6)

Technical specifications:


Piston size (surface area)

Option 11 ¦ 4 x 41.2mm (53.33cm2)

Or

Option 10 ¦ 4 x 38.6mm (46.81cm2)

Or

Option 8 ¦ 4 x 34.6mm (36.28cm2)

Or

Option 7 ¦ 4 x 31.3mm (30.58cm2)

Piston material

Hard anodised billet aluminium (6082 T6)

Caliper colour

Powdercoat (Black¦ Blue¦ Red¦ Silver¦ Yellow)

anodised (Black¦ Silver)

Body material

6082 T6 billet aluminium

Weight no pads

1639g - 1704g

Hydraulic Thread

 M10 x 1.0

Mounting offset (to rear of disc)

27.5mm (Radial variants) ¦18mm (Unilug variants)

To suit disc diameter (Width)

232mm - 360mm  (6mm - 32mm)

Pad specifications:

(Pad 1)

Pad type

Billet 285

Pad surface area

45.32 cm2

Pad thickness

10.6mm material /   16.1mm total

Pad volume

48.04 cm3

Variant

Mount type

Piston depth

Part number

Anodised price exc. VAT

Powdercoated price exc. VAT

Billet 4 radial 280

Radial 152.4mm ctrs.

26mm

B4                    280

£140.00

£171.00

Billet 4 radial 310

Radial 152.4mm ctrs.

26mm

B4                    310

£140.00

£171.00

Billet 4 radial 360

Radial 152.4mm ctrs.

26mm

B4                    360

£140.00

£171.00

Billet 4 unilug 160

160mm bolt ctrs.

26mm

B4                  U160

£140.00

£171.00

Billet 4 unilug 90

90mm bolt ctrs.

26mm

B4                   U90

£163.00

£194.00

Billet 4 M14

Direct fit for Girling M14 (82.55mm)

26mm

B4                   M14

£163.00

£194.00

Billet 4 M16

Direct fit for Girling M16 (82.55mm)

26mm

B4                   M16

£163.00

£194.00

Billet 4 Princess

Austin princess front (82.55mm)

26mm

B4                   PR4

£163.00

£194.00

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Pad specifications:

(Pad 2)

Pad type

Billet 310

Pad surface area

43.67 cm2

Pad thickness

10.6mm material /   16.1mm total

Pad volume

46.29 cm3

Pad 1 Pad 1 Pad 1 Pad 1 Pad 1 Pad 1 Pad 2 Pad 2