Intake valve - Ø 40x8x110.5mm

Bearing Dimensions:

• Dimension: Stock Dimension (Standard)
• Journal Diameter (A): Ø 54.80mm
• Housing Diameter (B): Ø 58.75mm
• Bearing Width (C): 20.50mm
• Bearing Thickness (D): 1.95mm
• Smooth, lug-type bearings with grease holes (x5) and grooves (x5)
• Bearing Material: Bi-metal

• The sets are supplied with the following components:

  • Liners (x4)
  • Pistons (x4)
  • Segments (x12)
  • Axles (x4)

  Dimensions of the individual parts:

  • Liner bore diameter: Ø 79mm
  • Liner collar or top diameter (D): Ø 96mm
  • Liner base diameter (A): Ø 84mm
  • Height including skirts (Overall) of the sleeves (C): 143.50 mm
  • Height from the top of the sleeve to the base seal area (E): 92.60 mm
  • Shaft dimensions: Ø 21 x 69 mm
  • (Cirlip-free mounting) Segment thickness: 1.75 mm / 2 mm / 4 mm (Fireproof/Sealing/Scraper)
  • Base seal type: O-ring

Piston mounting direction: an arrow drawn perpendicular to the piston axis is shown 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°. 

Bearing Dimensions:

• Dimension: Repair Dimension (+0.25)
• Crankpin Diameter (A): Ø 47.75mm
• Housing Diameter (B): Ø 51.60mm
• Bearing Width (C): 21.75mm
• Bearing Thickness (D): 1.89mm
• Smooth, lug-type bearings with no grease holes or grooves
• Bearing Material :Bi-metal

Suitable for

• R16 TL:1565cc Engine (Type 821-01 / 821-02 / 821-03 / 821-04)