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WISECO piston pin (straight wall), 21 × 63.5 mm, wall 4 mm
Wiseco piston pin (straight wall). 21 × 63.5 mm, wall 4 mm.
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WS624
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Wiseco piston pin (straight wall). 21 × 63.5 mm, wall 4 mm.
The piston pin connects the piston to the rod. Its diameter must match the piston and the rod small end, while length and wall set weight and strength.
- Diameter: 21 mm
- Length: 63.5 mm
- Wall thickness: 4 mm
- Wall type: straight wall
- Material: steel
- Coating: Chrome
- Weight: 105.9 g
- Type: straight wall
- Manufacturer part number: WS624
Wiseco has made forged pistons and engine parts in the USA since 1941 for racing and modified engines.
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