Motorsport Piston Pins from WPM

Race proven piston pins for all types of motorsport.

We can supply prototype parts from development and testing through to series production with rapid response times.

We stock steel for both case hardened and nitrided pistons pins: S82, EN39B, S132, 31CrMoV9, 32CDV13 (GKHW).

• Single source heat treatment supplier. Dedicated nitriding furnaces.
• Microfinished and Tribofinished diameters to 0.03Ra.
• Honed bores to 0.3Ra.
• DLC coated.
• Roundness to 0.001 max.
• Temperature controlled inspection laboratory.
• MFD Crack Detection.
• Micro hardness testing.