KPMI Exhaust Valve Guide +0.003 Bronze - 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.
Keep your Harley Evolution or Sportster running strong with this KPMI bronze exhaust valve guide. Sized at +0.003 inch oversize, it's designed to restore proper valve stem clearance and oil control during a rebuild or top-end service.
Why riders pick this
- Premium bronze construction
- +0.003 inch oversize for worn bores
- Excellent heat dissipation
- Restores valve stem clearance
- Improves oil control
- Direct fit for Harley Evolution and Sportster exhaust
A critical component in any engine rebuild, this KPMI bronze exhaust valve guide ensures your cylinder head performs optimally. Worn valve guides can lead to excessive oil consumption and reduced engine efficiency, but this precision-machined +0.003 inch oversize guide provides a fresh sealing surface and stable valve operation. Bronze offers excellent heat dissipation and wear characteristics, making it a popular choice for performance-oriented V-twin builds.
Enhanced Performance and Longevity
- Constructed from high-quality bronze for superior wear resistance and heat transfer
- +0.003 inch oversize for a precise fit during cylinder head servicing
- Designed specifically for the exhaust valve position
- Restores proper valve stem clearance and oil control
- Direct replacement for original factory guides in EVO and Sportster engines
Precision Installation for Optimal Results
This KPMI +0.003 inch oversize exhaust valve guide is intended for cylinder heads where the original guide bore has experienced wear. While it is a direct replacement, proper installation requires a valve guide driver or press to ensure correct seating and alignment. For best results, consult a professional engine builder or machine shop to ensure accurate installation and optimal engine performance.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-2133
- Type: Exhaust valve guide
- Bore Size: +0.003 in oversize
- Length: 1.1 in
- Weight: 0.09 lbs
Common questions
What does +0.003 inch oversize mean?
This guide features a bore that is 0.003 inches larger than the standard size, allowing for installation into cylinder head bores that may have experienced slight wear.
Is this guide for intake or exhaust valves?
This KPMI part is specifically an exhaust valve guide for your Harley Evolution or Sportster engine.
Do I need to bore my cylinder head to install this?
The +0.003 inch oversize allows for installation into slightly worn guide bores without necessarily requiring reaming, but proper fitment should always be confirmed by a professional.
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 | 191-57032 |
| WEIGHT | 0.09 lb |
