Typical application:

● Front caliper for small, lightweight kit cars

● Rear caliper for equal balance to Billet 4 310/ Monster

Features

● Four piston structure gives firm and balanced pedal feel.

● Ultra narrow, lightweight design.

● Billet aluminium body (6082 T6).

● Flex technology utilises strength from bolts to reinforce caliper.

● Billet aluminium pistons (6082 T6).

Technical specifications:

Piston size (surface area)

 4 x 27.3mm (22.88cm2)

Or

 4 x 31.6mm (30.18cm2)

Or

 4 x 34.6mm (36.28cm2)

Or

—------------------------------------------------------------

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

925g

Hydraulic Thread

 M10 x 1.0

Mounting offset (to rear of disc)

16.35mm (Radial variants) ¦15.25mm (Unilug variants)

To suit disc diameter (Width)

240mm - 315mm  (6mm - 32mm)

Pad specifications:

Pad type

Ultralite

Pad surface area

33.94 cm2

Pad thickness

9.7mm material /   14.3mm total

Pad volume

32.92 cm3

Variant

Mount type

Piston depth

Part number

Anodised price exc. VAT

Powdercoated price exc. VAT

Ultralite 4 R Radial 280

Radial 130mm ctrs.

21mm

UL4  280R

£110.00

£132.00

Ultralite 4 R Radial 300

Radial 130mm ctrs.

21mm

UL4  300R

£110.00

£132.00

Ultralite 4 RS Radial 280

Radial 130mm ctrs.

26mm

UL4  280RS

£119.00

£139.00

Ultralite 4 RS Radial 300

Radial 130mm ctrs.

26mm

UL4  300RS

£119.00

£139.00

Ultralite 4 MX-5 256x20

Mazda MX-5 II front lug std disc

21mm

UL4 MX5265

£137.50

£159.50

Ultralite 4 MX-5 270x22

Mazda MX-5 II front lug std disc

21mm

UL4 MX5270

£137.50

£159.50

Ultralite 4 Sierra 260x24

Ford Sierra 260 front lug (90mm)

21mm

UL4  SIE

£137.50

£159.50

Ultralite 4 M16 245x12.7

Direct fit for Ford M16 std disc 245x12.7

21mm

UL4  M1612

£137.50

£159.50

Ultralite 4 M16 245x20

Direct fit for Ford M16 std disc 245x20

21mm

UL4  M1620

£137.50

£159.50

Ultralite 4 Princess

Austin princess front 260x22

21mm

UL4  PR4

£137.50

£159.50

Ultralite 4 Caterham 232

Caterham 7 std front disc 233x10

21mm

UL4  C232

£137.50

£159.50

Ultralite 4 Caterham 260

Caterham 7 front oversize 260x10

21mm

UL4  C260

£137.50

£159.50

Ultralite 4 Unilug

Lug mount 120mm ctrs.

21mm

UL4   UNI

£137.50

£159.50