Dirt Bike Wrist Pins and Circlips

Piston circlips are critical retention components that keep your piston pin secure under extreme combustion pressures and high-RPM stress. Using OEM-specification VERTEX circlips ensures proper fitment with your piston kit and eliminates the risk of...

Piston circlips are critical retention components that keep your piston pins secure under extreme combustion pressures and high RPM loads. Using OEM-specification circlips ensures proper fitment within Vertex piston kits and eliminates the risk of...

Piston circlips are critical retention components that keep your piston rings seated and functioning under extreme combustion pressures. If you're rebuilding a Vertex piston kit, OEM-spec circlips are non-negotiable—inferior replacements can lead to ring...

Piston circlips are critical retention components that keep your piston secure within the bore—a failure here means catastrophic engine damage. VERTEX circlips are precision-manufactured to OEM specifications, ensuring reliable fitment and performance in...

Piston circlips are a critical wear item in 2-stroke engines—they secure the piston pin and directly impact engine reliability and performance. If you're rebuilding a top-end or replacing a Vertex piston kit, OEM-spec circlips ensure precise fitment and...

Piston circlips are critical retention components that keep your piston pins secure under extreme combustion pressures and RPM loads. Using OEM-specification circlips ensures proper fitment with Vertex piston kits and eliminates the risk of catastrophic...

The Wiseco S529 wrist pin is engineered to handle the extreme demands of high-RPM operation in your 1985-1986 Honda ATC350X. This precision-machined component maintains structural integrity under sustained load and elevated combustion temperatures,...

Wrist pin bearings are critical wear items in high-RPM applications, and OEM-quality replacement units are essential for maintaining engine reliability and performance. The HOT RODS WB104 delivers factory-spec durability with design enhancements...

If you're running a KDX200 at the edge of its limits, piston reliability becomes non-negotiable. The Wiseco S255 wrist pin delivers the strength and thermal stability required for sustained high-RPM performance, while its precision engineering ensures a...

The Wiseco S257 wrist pin is engineered for 1981-1983 Honda CR250R engines that demand reliability under extreme racing conditions. As a critical connecting component between your piston and connecting rod, a high-quality wrist pin directly impacts...

Piston circlips are critical retention components that prevent piston pin movement during high-RPM operation. If your circlips are worn, damaged, or missing, you're risking catastrophic engine failure and potential damage to your cylinder walls. These...

A wrist pin failure mid-race costs you time, money, and credibility. The VERTEX Wrist Pin delivers the wear resistance and reliability you need to keep your engine performing at peak output, lap after lap. Built with case-hardened construction and...

Wrist pin failure in high-RPM two-stroke engines compromises combustion efficiency and can lead to catastrophic engine damage. The VERTEX 715378 wrist pin uses case-hardened construction with nitride coating to deliver superior wear resistance and...

The wrist pin is a critical component that connects your piston to the connecting rod—any wear or failure here directly impacts engine reliability and performance. Wiseco's S270 is precision-engineered to handle the extreme loads and temperatures of...

If you're running a YZ490 at the track or in competition, the integrity of your piston directly impacts your engine's reliability and peak power output. The Wiseco S277 wrist pin is engineered to handle the extreme combustion pressures and temperature...

When you're pushing your Polaris 400L to its limits, stock wrist pins become a liability. Wiseco's S278 wrist pin delivers the precision fit and thermal stability demanded by high-performance operation, keeping your engine reliable through extended...

The Wiseco S288 wrist pin is engineered to handle the extreme demands of small-displacement racing engines, delivering the precision fit and durability that separates consistent power delivery from catastrophic failure. Whether you're rebuilding a...

If you're rebuilding a Honda CR80R engine, piston circlips are critical—they keep your piston pin secure and prevent catastrophic engine failure. Wiseco's CW12 circlips are forged from high-silicon alloy, delivering the strength needed to handle the...

The piston circlip is a critical retention component that keeps your piston pin secure under high RPM and combustion pressure. A quality circlip prevents catastrophic engine failure from pin drop-out, especially in high-revving small-displacement engines...

Piston circlips are a critical wear item in two-stroke engines—they secure the wrist pin and directly affect engine reliability under high RPM loads. The Wiseco CW14 is engineered from a high-silicon alloy to deliver the strength and precision fit needed...