Harley Wrist Pins and Circlips

Wrist pin lock rings are critical components that secure the piston pin in place, preventing catastrophic engine failure from pin movement or ejection during high-RPM operation. If you're running KB Performance pistons, using OEM-equivalent replacement...

A wrist pin bushing is a critical wear component in high-RPM engines, and choosing the right material directly impacts piston longevity and reliability. The KIBBLEWHITE 20-20812 uses SAE660 bearing bronze—a proven material that handles repeated stress...

A wrist pin bushing is the critical bearing surface that allows your connecting rod to articulate smoothly around the piston pin during combustion cycles. Inadequate bushing material leads to excessive wear, increased friction, and potential catastrophic...

A wrist pin bushing is critical for controlling piston pin clearance and reducing friction in your engine's reciprocating assembly. KIBBLEWHITE's SAE660 bearing bronze construction delivers superior wear resistance and durability compared to inferior...

A wrist pin bushing is critical to connecting rod reliability—it absorbs the lateral forces generated during combustion and reduces wear on your connecting rod bore. The KIBBLEWHITE 20-20580 uses SAE660 bearing bronze, a material engineered specifically...

A wrist pin bushing is the critical interface between your connecting rod and piston pin—tolerances here directly impact engine reliability and longevity. The KIBBLEWHITE 20-20582 uses SAE660 bearing bronze, a material chosen for its superior wear...

A wrist pin bushing is a critical precision component that manages the oscillating loads between your connecting rod and piston pin. The KIBBLEWHITE 20-20810 is engineered to minimize friction and wear in this high-stress interface, directly impacting...

Your Road King's engine demands components engineered for precision and durability—the Wiseco S534 wrist pin delivers both, whether you're cruising highway miles or pushing peak performance at the track. Built with high-strength materials and optimized...

Piston pin clips are critical retention components that keep your piston pin secured in place during combustion cycles—any failure here means catastrophic engine damage. The EASTERN MOTORCYCLE PARTS A-22588-78 meets or exceeds OEM specifications,...

A piston pin clip is a critical retention component that keeps your piston pin seated and secure under extreme combustion pressures and RPM loads. Failure or wear of this clip can lead to catastrophic engine damage, making OEM-quality replacement...

Piston pin retaining rings are critical to engine reliability—a failed ring can lead to catastrophic internal damage and costly downtime. This Eastern Motorcycle Parts replacement ring meets or exceeds OEM specifications, ensuring your engine maintains...

Wiseco's W5731 circlip for Harley-Davidson Electra Glide Classic models maintains critical piston ring clearances and prevents unwanted movement within the groove, directly supporting engine reliability during high-RPM operation. Precision-engineered to...

Proper piston ring management is critical for maintaining compression integrity and preventing blow-by in high-performance engines. These S&S Cycle clips ensure your forged pistons maintain optimal ring positioning under extreme combustion pressures and...

Wrist pin bushings are critical wear items in high-revving Big Twin engines—when they deteriorate, you lose precise piston control and risk catastrophic engine failure. The S&S Cycle wrist pin bushing meets or exceeds OEM specifications for fitment and...

Piston lock rings are critical wear items that secure your piston pin in place under extreme combustion pressures and RPM loads. Over time, these rings fatigue and lose their grip, leading to catastrophic piston pin failure and engine damage. KB...

A failing main bearing retention ring compromises crankshaft stability and can lead to catastrophic engine failure. This OE-specification replacement ring ensures proper bearing preload and alignment, restoring your engine's foundational integrity...

A worn or failing main bearing retention ring can compromise crankshaft stability and accelerate bearing wear across your entire engine. This OE-specification Eastern Motorcycle Parts ring restores proper bearing preload and axial retention, ensuring...