Primary shaft nut (M20x150 - Right hand pitch) - Box 353 / 364 / 365 / 385 - ref 0608308500

Without cylinder head gasket

Suitable for:

• • R8 / A110: Front Big Brakes
  • R5 Alpine Atmo (1223) and Alpine Turbo (122B): Front Brakes
  • A310.4: Front Brakes
  • A310 V6 (Pre-1980): Front Brakes
  • R12 (All models): Front Brakes
  • R15 / R16 / R17 (All models): Front Brakes

Brake pads with a retaining stop (B in the diagram) must be fitted with this stop facing forward (in the direction of wheel rotation).

For competition use only. Do not use these brake pads on the track. public.

The sets are supplied with the following components:

• Liners (x4)
• Pistons (x4)
• Rings (x12)
• Panels (x4)

Dimensions of the different parts:

• • Liner bore diameter: Ø 76mm
  • Liner flange or top diameter (D): Ø 90.10mm
  • Liner base diameter (A): Ø 80.60mm
  • Overall height including skirts of cylinder liners (C):134mm
  • Height from top of cylinder liner to base gasket surface (E): 95mm
  • Shaft dimensions: Ø 20x62mm (Cirlip-free mounting)
  • Ring thickness:1.75mm / 2mm / 4mm (Fireproof/Sealing/Scraper)
  • Base gasket type: O-ring

Piston mounting direction: an arrow drawn perpendicular to the piston axis on top of the piston. It must be oriented in the direction of engine rotation during the connecting rod's downward stroke (see manufacturer's instructions or diagram).

It is essential to check the ring end gap of each piston ring before installing them on the pistons, according to the values ​​given by the manufacturer or in the supplied instructions.

During installation, the ring end gap must be evenly distributed around the piston circumference at 120° intervals.

4L: Box / 354 / HAO-146 / HAO-163 / HAO-191

R5: Box 385 / NG5

Ref: 7700544671