KPMI +0.001 Oversize Cast Iron Exhaust 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.
This KPMI cast iron exhaust valve guide is designed for Harley Twin Cam 88-103 engines from 2005-2011 model years. Sized at +0.001 inch oversize, it provides a precision fit for cylinder heads that have been ported, bored, or have experienced wear.
Why riders pick this
- Durable cast iron construction
- 0.001 inch oversize for precision fit
- Exhaust valve position specific
- Fits Twin Cam 88/103 (2005-2011) engines
- Essential for worn or modified cylinder heads
When rebuilding the cylinder heads on your Twin Cam, achieving precise valvetrain clearances is paramount for performance and longevity. This KPMI exhaust valve guide, crafted from durable cast iron with a +0.001 inch oversize specification, is an essential component for restoring worn or modified heads. It ensures the exhaust valve operates with optimal stability and sealing, contributing to consistent engine power and efficiency.
Durable Construction for Demanding Applications
- Robust cast iron construction for reliable performance
- Features a +0.001 inch oversize specification for precision fitment
- Designed for the exhaust valve position
- Compatible with Twin Cam 88 and 103 engines (2005-2011)
- Ideal for worn or performance-modified cylinder heads
The Foundation of a Strong Top End
Replacing valve guides is a critical step in any comprehensive Twin Cam engine rebuild. This +0.001 oversize cast iron guide is particularly useful when your cylinder head bores require a slightly larger diameter for a tight press fit, often after years of service or during performance modifications. Proper installation ensures correct valve alignment and helps prevent common issues like oil consumption and loss of compression, keeping your Harley-Davidson running at its best.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-20701C
- Material: Cast iron
- Length: 0.8 in
- Width: 3.55 in
- Height: 0.75 in
- Weight: 0.1 lbs
Common questions
Will this +0.001 oversize valve guide fit my Twin Cam 96 engine?
Yes, this valve guide is compatible with Harley-Davidson Twin Cam 88, 96, and 103 cubic inch displacement engines from 2005-2011 model years. Please confirm your specific engine before ordering.
What does +0.001 oversize mean for installation?
The guide bore is 0.001 inch larger than stock. This typically means your cylinder head bore must be accurately bored and reamed to the appropriate oversized dimension to ensure a correct and secure press fit.
Is this an exhaust or intake guide?
This is an exhaust valve guide. You will need a separate intake guide part number if you are replacing both sides.
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 | 191-57012C |
| WEIGHT | 0.1 lb |
