KPMI Wrist Pin Bushing - Sportster XL 1957-2014
About KPMI
Kibblewhite Precision Machining supplies valves, valve springs, guides and complete top-end kits used by professional V-twin engine builders. Its black diamond valves and spring kits are a standard specification on high-lift cam builds.
Upgrade your Harley-Davidson Sportster's internal engine components with a KPMI wrist pin bushing. Engineered to OEM dimensions, this bushing provides a critical low-friction surface for the connecting rod and piston pin. It's built to resist wear and deformation under the extreme loads of your V-twin engine.
Why riders pick this
- OEM-spec for accurate fitment
- Exceptional anti-friction qualities
- Resists wear and deformation under load
- Precise dimensional tolerances
- Tapered ends for easier assembly
Maintaining the integrity of your Harley-Davidson Sportster's engine is crucial for performance and longevity. The KPMI wrist pin bushing is a vital component that ensures the smooth articulation of your piston assembly. Manufactured with meticulous attention to detail and tight tolerances, this bushing is designed to reduce friction and withstand the harsh environment of your engine's combustion cycle.
Built for Demanding V-Twin Conditions
- Manufactured to original OEM specifications for ideal fit
- High hardness with excellent anti-friction properties
- Superior wear and deformation resistance under high loads
- Tight dimensional tolerances for a precise, reliable fit
- Tapered lead on each end to aid in installation
Reliable Performance for Your Sportster
Worn wrist pin bushings can lead to undesirable engine noise and diminished performance. By installing a KPMI wrist pin bushing, you're investing in the durability of your Sportster's bottom end. This component is essential for any engine rebuild or maintenance, ensuring that your 1957-2014 Sportster XL continues to run strong and smooth, mile after mile.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-20812
- Length: 5.13 in
- Width: 3.5 in
- Height: 1.3 in
- Weight: 0.04 lbs
Common questions
Why is the wrist pin bushing important for my engine?
The wrist pin bushing minimizes friction between the connecting rod and piston pin, allowing for smooth movement under extreme engine loads. Wear can lead to knocking and a loss of power.
Is this bushing compatible with my Harley-Davidson Sportster XL?
Yes, this KPMI wrist pin bushing is designed to fit all Harley-Davidson Sportster XL models manufactured between 1957 and 2014. Always confirm your model year.
Is installation of a wrist pin bushing a DIY job?
Replacing a wrist pin bushing is an internal engine procedure that requires specific tools and expertise. We recommend professional installation to ensure proper fit and function.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | KPMI |
| TYPE | Engine |
| SKU | 191-57084 |
| WEIGHT | 0.04 lb |
