Kit of 16 "Reinforced" valve springs (8 Small and 8 Large) - 1600cc or 1800cc engine

The sets are supplied with the following components:

• Cylinder Heads (x4)
• Domed Pistons (x4)
• Rings (x12)
• Pin (x4)
• Circle Clips (x8)

Dimensions of the various parts:

• • Cylinder Head Bore Diameter: Ø 78mm
  • Cylinder Head Flange or Top Diameter (D): Ø 96mm
  • Cylinder Head Base Diameter (A): Ø 82.50mm
  • Overall height including skirts of cylinder liners (C): 143.5mm
  • Height from top of cylinder liner to base seal area (E): 92.50mm
  • Panel dimensions: Ø 22x66.25mm (Cirlip-free mounting)
  • Ring thickness: 1.75mm / 2mm / 4mm (Fireproof/Sealing/Scraper)
  • Base seal type: Paper gasket

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

Suitable for valves with a groove in the upper position (type KK) and for stem diameter 8mm

Segment Characteristics:

• • Segment Diameter: Ø 77.8mm
  • 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 instructions provided.or the values ​​given in the instruction manual.

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

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

• Thickness : 1mm

Compatible with 1565cm³ to 1647cm³ engines (Type 807 844 and 843):

• A110 1600S/SC/SX
• A310 1600cc
• R12G / R17G
• R16.TS/TX