KPMI Cast Iron EX +0.010 Valve Guide - Harley Twin Cam
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.
When rebuilding your Twin Cam top end, precise valve guide replacement is critical for sealing and longevity. This KPMI exhaust valve guide is engineered from cast iron, designed for durability and a proper fit.
Why riders pick this
- Durable cast iron construction
- +0.010 inch oversize for honed ports
- Restores proper valve sealing and oil control
- Direct replacement for Twin Cam 88-103 engines
This KPMI exhaust valve guide is an essential component for a complete cylinder head rebuild on your Harley Twin Cam. Specifically designed with a +0.010 inch oversize, it's made for cylinder head ports that have been honed during the rebuild process, ensuring a tight, accurate fit that restores proper valve sealing and oil control.
Precision Engineered for Rebuilds
- Constructed from durable cast iron for reliability
- +0.010 inch oversize for honed cylinder head ports
- Direct replacement for specific Twin Cam 88-103 engines
- Ensures proper valve seating and reduces oil consumption
The Right Fit for Your Twin Cam
Accurate valve guide selection is paramount for engine health. This KPMI guide is a direct replacement for 2005-2010 Twin Cam 88-103 engines. Always confirm your cylinder head specifications and model year before ordering to ensure optimal performance and a trouble-free rebuild.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-20709C
- Material: Cast iron
- Length: 5.13 in
- Width: 3.5 in
- Height: 0.75 in
- Weight: 0.1 lbs
Common questions
What does the +0.010 inch oversize mean?
This valve guide is manufactured 0.010 inches larger than stock. It's intended for cylinder heads where the valve guide bore has been honed to an oversized dimension during a rebuild.
Will this valve guide fit my 2011+ Twin Cam?
No, this part is specifically designed for 2005-2010 Twin Cam 88-103 engines. Later model years, especially 2011+ Twin Cam 103 engines, may require different valve guides. Please use the Shop by Bike feature to confirm fitment for your exact model.
Is this for intake or exhaust valves?
This KPMI part is an exhaust (EX) valve guide. It is critical to ensure you are replacing the correct guide type during your engine work.
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 | 191-57062C |
| WEIGHT | 0.1 lb |
