KPMI Wrist Pin Bushing - Harley Big Twin
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.
Ensure the reliable operation of your Big Twin engine's reciprocating assembly with a KPMI wrist pin bushing. Manufactured with Kibblewhite quality, this bushing is designed for precise fitment and exceptional wear resistance.
Why riders pick this
- Kibblewhite quality manufacturing
- Anti-friction bronze construction
- High hardness and wear resistance
- Tight dimensional tolerances
- Tapered lead for easy installation
The KPMI wrist pin bushing is a critical component for the connecting rod and piston assembly in your Harley Big Twin engine. Manufactured to original OEM dimensions with Kibblewhite's renowned quality, it's built to handle the high combustion loads inherent in a V-twin. This bushing provides excellent anti-friction properties, resisting wear and deformation to maintain proper clearances and ensure smooth piston movement.
Uncompromising Quality for Big Twin Engines
- Kibblewhite quality and precision manufacturing
- Anti-friction bronze with high hardness
- Tight dimensional tolerances for a precise fit
- Tapered lead on each end for easy installation
- Excellent machinability for custom fitting
The Foundation of a Strong Bottom End
When rebuilding or performing maintenance on your Big Twin engine, replacing worn wrist pin bushings is essential for long-term reliability. This KPMI bushing helps eliminate excessive play, reduce noise, and ensure the efficient transfer of power. It's designed as a direct replacement, providing the quality and performance you expect for your V-twin.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-20570
- Length: 1 in
- Width: 3.45 in
- Height: 1 in
- Weight: 0.09 lbs
Common questions
What is a wrist pin bushing and why is it important?
The wrist pin bushing acts as a bearing within the connecting rod's small end, allowing the piston's wrist pin to rotate smoothly. It's crucial for reducing friction, wear, and preventing premature engine component failure under the extreme forces of combustion.
Is this an OEM replacement part?
Yes, KPMI manufactures this wrist pin bushing to original OEM dimensions, making it a direct replacement for stock Big Twin engines. It offers comparable fitment with enhanced Kibblewhite quality.
Will this fit my Harley or Indian Big Twin engine?
This KPMI wrist pin bushing is designed to fit V-twin Big Twin engines commonly found in Harley-Davidson models. For Indian Motorcycle fitment, please confirm compatibility using our Shop by Bike tool.
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 | 191-57081 |
| WEIGHT | 0.09 lb |
