Synchro gearbox 3rd / 4th / 5th - Box 369 / NG5 / UN1 - Ref 7700708152

Suitable for:

• R5 Alpine (R1223)
• R5 Alpine Turbo (R122B)

Suitable for:

• Boxes 367-05 / 367-11
• Boxes 369-02 / 369-04 / 369-07 / 369-09 / 369-10 / 369-15
• Box UN1

Suitable for:

• R5 Alpine (R1223)
• R5 Alpine Turbo (R122B)

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.

Thickness: 1.60mm