Spark plug "NGK TR7IX" - Prepared engine - R5 Alpine (1223)

• • Overall length: 256.5 cm
  • Sheath length: 194.5 cm
  • Cable length: 245.5 cm

Our cables are made in France and meet the assembly and quality standards of original equipment (OEM) cables from automotive manufacturers.

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 the cylinder liners (C):134mm
  • Height from the top of the liner to the base seal area (E): 95mm
  • Shaft dimensions: Ø 20x63.5mm (Cirlip-free mounting)
  • Ring thickness:1.75mm / 2mm / 4mm (Fireproof/Sealing/Scraper)
  • Base seal type: O-ring

Piston mounting direction: an arrow drawn perpendicular to the axis of the The piston 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 ​​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. 

• Heat treatment 60 HRC on 1mm depth
• Ref OE Renault : 7700618536 / 7700658371 / 6001002128

• Cardboard seal, thickness: 1.3 mm