Set of valve stem seals - Ø8mm

Suitable for engines:

• Alpine A310 V6: PRV 112.730 engine
• Alpine V6 GT (D500): Z6W engine
• Alpine V6 Turbo (D501 and D502) and Renault 25: Z7U engine

Bearing dimensions:

• Dimension: Stock dimension (Standard)
• Journal diameter (A): Ø70.04mm
• Housing diameter (B): Ø 74.00mm
• Bearing width (C): 23.47mm
• Bearing thickness (D): 1.96mm
• Smooth bearings with lugs and grease holes (x4) and grooves (x4)
• Bearing material: Bi-metal

OE Renault / Alpine Ref: 7701460462 / 7701348428

Segment Characteristics:

• • Segment Diameter:Ø 76mm
  • 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°.

Suitable for the following vehicles:

• R5 Alpine Atmo (R1223)
• R14: From 06/1983
• R18 GTX: From 02/1986
• R20 LS / TS / TX: From 12/1983
• R21 (J6R): From 03/1986 to 12/1995
• R25 (J6R - 706 / 707 / 762 / 763): From 01/1984 to 12/1992
• R30 TS / TX: From 08/1976->12/1983
• FUEGO GTX / TX: From 10/1980->10/1985
• Alpine A310 V6