KPMI Standard Cast Iron Exhaust Valve Guide - Harley Evolution & Sportster
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.
Maintain proper valvetrain function during your engine rebuild with this KPMI standard cast iron exhaust valve guide. Designed as a direct OEM replacement for Harley Evolution Big Twin and Sportster models, it ensures precise valve stem movement and optimal sealing in your cylinder heads.
Why riders pick this
- Standard cast iron construction
- Direct OEM replacement
- Controls valve stem movement precisely
- Essential for cylinder head rebuilds
- Fits Evolution Big Twin and Sportster
A healthy valvetrain is crucial for engine performance and longevity. This KPMI exhaust valve guide, made from durable cast iron, provides the necessary support and guidance for your exhaust valves. It's manufactured to OEM specifications, making it a reliable choice for replacing worn guides and restoring your engine's top-end integrity.
Engineered for Lasting Performance
- Durable cast iron construction for dependable wear characteristics
- Standard OEM sizing for a direct fit replacement
- Controls valve stem movement for consistent valve sealing
- Restores proper valvetrain alignment and reduces oil consumption
The Foundation of a Solid Top-End
Whether you're overhauling a high-mileage Evolution Big Twin or refreshing a Sportster engine, proper valve guides are non-negotiable. This KPMI cast iron guide is an essential component for any top-end work, ensuring your valves open and close accurately. For best results and proper installation, professional machine shop services are recommended, especially when dealing with critical engine components like valve guides.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-2130C
- Position: Exhaust
- Length: 0.9 in
- Width: 3.55 in
- Height: 0.85 in
- Weight: 0.09 lbs
Common questions
What engine models does this valve guide fit?
This KPMI exhaust valve guide is designed to fit Harley Evolution Big Twin models from 1984-1999 and Sportster models from 1986-2003.
Is this a direct OEM replacement part?
Yes, this KPMI valve guide is manufactured to OEM specifications and serves as a direct factory replacement for your Harley's original cast iron exhaust valve guide.
Will this fit my 2004 or newer Sportster?
No, this part is not compatible with 2004 and newer Sportster models, as they feature a different cylinder head architecture. This guide is for 1986-2003 Sportster models.
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 | 191-57029C |
| WEIGHT | 0.09 lb |