KPMI +0.001 Oversize Cast Iron Intake 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 intake valve guide is specifically engineered for Harley-Davidson Twin Cam 88-103 engines from 2005-2011. With a +0.001 inch oversize tolerance, it's designed to provide a precise and secure fit in cylinder heads that have experienced some wear.
Why riders pick this
- Durable cast iron construction
- Intake valve position specific
- +0.001 inch oversize tolerance for precision
- Controls valve stem clearance and oil flow
- Direct replacement for Twin Cam 88/103 (2005-2011)
Maintaining proper valve guide clearance is essential for the longevity and performance of your Twin Cam engine. This cast iron intake valve guide from KPMI is a direct replacement for worn or damaged factory guides, helping to control valve stem clearance and optimize oil flow to the valve stem. It's a key component for any comprehensive engine refresh or rebuild.
Robust Construction for Reliable Performance
- Constructed from durable cast iron for lasting reliability
- Designed for the intake valve position
- +0.001 inch oversize tolerance for a precise fit in worn bores
- Direct replacement for 2005-2011 Harley Twin Cam 88 and 103 engines
Essential for Engine Rebuilds
When tackling a Twin Cam top-end rebuild, worn valve guides are a common finding. This +0.001 oversize guide allows you to restore critical tolerances without extensive machine work on slightly worn cylinder head bores. Installing new valve guides helps prevent oil consumption, restores compression, and ensures the proper function of your valvetrain, keeping your Harley running strong.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-20691C
- Length: 0.9 in
- Width: 3.55 in
- Height: 0.65 in
- Weight: 0.1 lbs
Common questions
What does the +0.001 oversize tolerance signify?
This guide is machined 0.001 inch larger in diameter than a standard guide. It's intended to provide a snug fit in cylinder head bores that have experienced slight wear, ensuring proper valve stem stability.
Is this valve guide compatible with all Twin Cam engines?
This specific intake valve guide is designed for Harley-Davidson Twin Cam 88-103 cubic inch engines from 2005-2011 model years. Please verify your exact engine displacement and year before ordering.
Is this guide for both intake and exhaust valves?
No, this is an intake valve guide only. Exhaust valve guides have different specifications and must be purchased separately.
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 | 191-57010C |
| WEIGHT | 0.1 lb |
