Dirt Bike Wrist Pins and Circlips

Piston circlips are a critical wear item in high-revving two-stroke engines, and a failed clip can cause catastrophic piston damage. The Wiseco CW15 is engineered to maintain consistent ring tension and prevent piston pin rocking across the entire RPM...

The Wiseco S485 wrist pin is engineered to handle the extreme combustion pressures and RPM demands of high-revving two-stroke engines. If you're rebuilding a Honda CR125R or Suzuki RM125 for competitive performance, this precision component eliminates...

A wrist pin is the critical link between your piston and connecting rod—when it fails, your engine stops. The Wiseco S686 delivers the precision tolerances and material integrity that Honda CRF250R owners demand, whether you're running stock power or...

The wrist pin is a critical load-bearing component that directly transfers combustion forces from the piston to the connecting rod—choosing the right one is essential for reliability under sustained high-RPM operation. Wiseco's S484 delivers the strength...

The Wiseco S508 wrist pin is engineered for the demanding conditions of 2-stroke competition. This precision-engineered component handles the extreme reciprocating loads of your YZ250 S engine while maintaining dimensional stability across the entire RPM...

The Wiseco S512 wrist pin is engineered for Arctic Cat Bearcat 550 engines that demand reliability in extreme conditions. As a critical connecting component between the piston and connecting rod, a high-quality wrist pin directly impacts engine...

The Wiseco S517 wrist pin is engineered to handle the high-RPM demands of your Honda CR80R without compromise. Precision tolerances and superior material composition ensure consistent power delivery and reliability across extended racing or trail...

The wrist pin is a critical load-bearing component that directly impacts engine reliability and longevity under extreme operating conditions. A quality wrist pin like the Wiseco S520 reduces deflection and wear on your piston and connecting rod,...

The wrist pin is a critical load-bearing component that directly transfers combustion forces from the piston to the connecting rod. A failing or worn wrist pin compromises engine reliability, reduces power delivery, and risks catastrophic internal damage...

Wrist pins are critical load-bearing components in your engine's connecting rod assembly, and inferior pins lead to premature wear, rod knock, and catastrophic failure. The MOOSE RACING W748-200015CP1C delivers a nitride-coated bearing surface that...

A precision circlip is essential for securing critical rotating components in high-performance engines and transmissions where vibration and lateral forces demand absolute reliability. This MOOSE Racing unit ensures zero slippage in demanding race...

Piston circlips are critical retention components that keep your piston rings seated and functioning under extreme combustion pressures—failure here means catastrophic engine damage. When rebuilding your 4-stroke with a Vertex piston kit, using...

The Wiseco S376 wrist pin is engineered to handle the extreme demands of 2-stroke racing, delivering the precision fit and durability your YZ250 engine requires to perform at its peak. Whether you're rebuilding after a season or upgrading for maximum...

The Wiseco S522 wrist pin is engineered for Honda CB350F engines that demand reliable performance under sustained high RPM operation. Whether you're rebuilding a vintage racer or restoring your classic alongside modern upgrades, this pin delivers the...

Wrist pin failure under high RPM can cost you races and damage your engine. The VERTEX 715372 uses nitride-coated case hardening to eliminate wear and galling while maintaining dimensional stability—no quenching distortion means precision you can trust...

Wrist pin wear is a silent killer in high-revving engines—once it starts, catastrophic failure follows quickly. The VERTEX Wrist Pin delivers case-hardened durability through nitride coating technology, eliminating the distortion risk of traditional...

Wrist pin longevity directly impacts engine reliability and rebuild intervals. The VERTEX 715036 utilizes case-hardened nitride coating technology to deliver exceptional wear resistance without the risk of distortion from traditional quenching processes...

Piston circlips are critical retention components that prevent piston pin migration during high-RPM operation. Worn or damaged circlips can lead to catastrophic engine failure, making OEM-quality replacements essential for rebuild reliability. The VERTEX...

Piston circlips are critical retention components that demand absolute reliability—especially in high-rev applications where failure means catastrophic engine damage. The Wiseco CW17 is engineered from high-silicon alloy to handle the lateral loads and...

A wrist pin failure mid-race or mid-rebuild can derail your entire season. The Wiseco S592 is engineered to eliminate that risk, delivering the strength and thermal stability your Honda CRF110F needs to handle sustained high-RPM operation without...