Single Timing Chain - 58 Links (Premium Quality) - Réf 7700722758

Convient pour les boites de vitesse type : 289 / 314 /316 / 318 /325

Segment Characteristics:

• • Segment Diameter:Ø 74.50mm
  • Thickness of Upper Segments (Fire-resistant): 1.75mm
  • Thickness of Intermediate Segments (Waterproof): 2mm
  • Low ring thickness (Scraper): 4mm

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

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

• For mounting a belt width: 13mm

• This kit contains an M9 adjustment screw nut and an M8 nut.
• Kit sold with a strong Ø 38mm square gasket and a weak Ø 38mm gasket.
• The supply of these two seals allows you to install the most suitable seal depending on the wear of the caliper grooves.
• To identify a caliper with a square or round seal, refer to the symbol indicated on the caliper casting.
• A square symbol indicates a square seal, while a circle symbol indicates a round seal.
• It is essential to replace the same type of seal (round or square) according to the symbol on the caliper.
• We recommend checking the symbol displayed on each caliper, as a vehicle may have Calipers of different origins, some of which may have square joints and others round joints.
• It is not recommended to mix calipers on the same set, as this can lead to the risk of skewing during braking.

For 956cc (Type C1C-08 and 689-10) high compression engine (Compression ratio 9.25:1)

Suitable for:

• R4
• R5: TL / Company (After 1972)

The kits are supplied with the following:

• Crankcases (x4)
• Pistons (x4)
• Rings (x12)
• Crankpins (x4)

Dimensions of the various parts : 

• • Cylinder bore diameter: Ø 65mm
  • Cylinder flange or top diameter (D): Ø 85.80mm
  • Cylinder base diameter (A): Ø 75.50mm
  • Cylinder height (including skirts, overall) (C): 135mm
  • Height from the top of the cylinder to the base gasket area (E): 94.85mm
  • Shaft dimensions: Ø 18x57mm (Circlip-free mounting) 
  • Segment thickness :1.75mm / 2mm / 3.5mm(Fireproof/Sealing/Scraper)
  • Base gasket type: Paper gasket

Piston mounting direction: An arrow drawn perpendicular to the piston axis is marked 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.