KPMI Valve Guide +0.002 Bronze - Harley Evolution
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.
This KPMI bronze valve guide is a vital component for any Harley Evolution engine rebuild. Sized at +0.002 inch oversize, it's designed to fit both intake and exhaust valve positions, restoring critical clearances in your cylinder heads.
Why riders pick this
- Durable bronze construction
- +0.002 inch oversize for worn heads
- Fits both intake and exhaust
- Restores valve clearances
- For Harley Evolution engines
- Essential for engine rebuilds
When tackling a top-end refresh or full motor rebuild on your 1984-1999 Harley Evolution engine, ensuring proper valve guide integrity is non-negotiable. Worn guides can lead to poor oil control, reduced compression, and a noticeable drop in performance. This KPMI bronze valve guide, with its +0.002 inch oversize, provides a precise fit for cylinder heads that have experienced wear, promoting stable valve operation and extending engine life. Bronze offers excellent wear characteristics and superior heat transfer.
Precision Engineering for EVO Engines
- Constructed from durable bronze for enhanced wear resistance and heat dissipation
- +0.002 inch oversize for restoring clearances in worn cylinder heads
- Designed to fit both intake and exhaust valve positions
- Direct replacement part for 1984-1999 Harley Evolution engines
- Crucial for maintaining optimal valve stem alignment and oil control
Rebuild Your EVO with Confidence
Choosing the correct valve guides is a foundational step in any successful EVO engine rebuild. This KPMI +0.002 bronze guide is ideal for addressing moderate wear, allowing for a precise fit. While this guide is a direct replacement, proper installation requires specialized tools and expertise to ensure correct seating and alignment. For the best results and peace of mind, we recommend having this work performed by a qualified engine builder or machine shop.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-4322
- Material: Bronze
- Oversize Specification: +0.002 in
- Length: 1.1 in
- Weight: 0.1 lbs
Common questions
What does +0.002 inch oversize mean?
This guide has a diameter 0.002 inches larger than standard, designed to fit into cylinder head bores that have experienced wear, restoring proper clearance.
Will this fit my Twin Cam or Milwaukee-Eight engine?
No, this KPMI valve guide is specifically designed for 1984-1999 Harley Evolution engines only. Twin Cam and Milwaukee-Eight models require different guides.
Is this for intake or exhaust valves?
This KPMI valve guide is versatile and designed to fit both the intake and exhaust valve positions on compatible Evolution engines.
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 | 191-57039 |
| WEIGHT | 0.1 lb |
