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.
Keep your Sportster's rotating assembly running smooth with a KPMI wrist pin bushing. This precision-machined component is designed to OEM dimensions, ensuring a perfect fit and reliable performance in your V-twin engine. Engineered for durability, it reduces friction and wear where the connecting rod meets the piston pin.
Why riders pick this
- OEM-dimensioned for perfect fitment
- Low friction properties reduce wear
- High hardness for resistance under load
- Precision tolerances for accurate assembly
- Tapered ends for easier installation
When rebuilding your Harley-Davidson Sportster engine, don't overlook critical wear components like the wrist pin bushing. This KPMI bushing is crafted to exacting standards, providing a low-friction surface that can withstand the demanding loads of a performance V-twin. Its design promotes smooth operation, helping to prevent premature wear and maintain engine integrity.
Engineered for Longevity
- Manufactured to precise OEM dimensions for reliable fitment
- Excellent anti-friction properties reduce heat and wear
- High hardness resists deformation under heavy engine loads
- Tight dimensional tolerances ensure a precision assembly
- Tapered lead on each end for easier installation
Maintain Your Top End with Confidence
A worn wrist pin bushing can lead to unwanted noise and accelerated wear in your engine's rotating assembly. Installing a new KPMI wrist pin bushing during a top-end refresh ensures your Sportster's connecting rod and piston pin operate with optimal efficiency and reduced friction. This is a critical component for any rider looking to maintain or rebuild their 1957-2014 Sportster engine with quality parts.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-20810
- Length: 1 in
- Width: 3.55 in
- Height: 1 in
- Weight: 0.04 lbs
Common questions
What is the function of a wrist pin bushing?
The wrist pin bushing acts as a wear surface within the connecting rod's piston pin bore, reducing friction and wear as the piston moves. Replacing it helps prevent piston knock and rod noise.
Will this bushing fit my specific Sportster model?
This KPMI wrist pin bushing is designed to fit all Harley-Davidson Sportster (XL) models from 1957 to 2014. Please confirm your bike's year before ordering.
Is special tooling required for installation?
Replacing a wrist pin bushing typically requires specialized tools for proper removal and installation to ensure correct alignment and fit. It's often best handled by an experienced mechanic.
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 | 191-57083 |
| WEIGHT | 0.04 lb |
