Road and rally camshaft (standard exchange)

• Special Premium Quality graphite for clutch release bearings
• Important: The release bearing clamping screw must be placed on the side opposite the fork
• It is possible to keep the release bearing and replace only the graphite ring if worn.
• Depending on the diameter of the return spring, it may be necessary to re-drill the release bearing mounting.
• It is recommended to soak the release bearing in warm engine oil and then wipe it dry before installation to avoid squeaking noises

The sets are supplied with the following components:

• Cylinder Heads (x4)
• Domed Pistons (x4)
• Rings (x12)
• Pin (x4)
• Circle Clips (x8)

Dimensions of the various parts:

• • Cylinder Head Bore Diameter: Ø 59.95mm
  • Cylinder Head Flange or Top Diameter (D): Ø 72.75mm
  • Cylinder Head Base Diameter (A): Ø 62.40mm
  • Overall height including skirts of the cylinder liners (C):121mm
  • Height from the top of the liner to the base seal area (E): 112mm
  • Shaft dimensions: Ø 14x49.80mm (Cirlip-free mounting)
  • Ring thickness:1.45mm / 1.45mm / 3mm (Fireproof/Sealing/Scraper)
  • Base seal type: Copper gasket

Piston mounting direction: an arrow drawn perpendicular to the axis of the The piston ring is located on the 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 ​​specified by the manufacturer or given in the supplied instructions.

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

• Threaded spigot diameter: M16x150

This assembly can be made from engine No. 958967 (early April 1960) on Ventoux Type 670 engines.