KPMI Valve Kit 20-22100 for Harley-Davidson Panhead 1948-1965
KPMI Black Diamond stainless steel valves are engineered with a precision treatment impregnated to a depth of 0.05 mm, delivering exceptional wear resistance and reduced friction compared to traditional plating. Designed via Finite Element Analysis and validated on computerized flow benches, these one-piece forged valves offer outstanding flow dynamics and structural durability.
This complete standard intake and exhaust valve kit provides dependable valvetrain performance and corrosion resistance for classic engine rebuilds. Precision-machined profiles optimize gas flow while maintaining reliable sealing under demanding operational conditions.
Key Features
| Brand | KPMI |
| Manufacturer Part Number | 20-22100 |
| Type | Intake / Exhaust |
| Material | Black Diamond Stainless Steel |
| Coating | Black Nitroneg |
| Quantity | 2 Intake, 2 Exhaust |
| Intake Head Diameter | 44.5 mm |
| Intake Stem Diameter | 9.6 mm |
| Intake Tulip Angle | 23º |
| Intake Overall Length | 96.5 mm |
| Exhaust Head Diameter | 44.5 mm |
| Exhaust Stem Diameter | 9.6 mm |
| Exhaust Tulip Angle | 29º |
| Exhaust Overall Length | 96.8 mm |
| Product Weight | 454 g |
Highlights
- One-piece forged Black Diamond stainless steel construction
- Includes 2 intake valves and 2 exhaust valves
- Precision-impregnated surface for reduced friction and high wear resistance
- Developed with Finite Element Analysis and tested on computerized flow benches
Compatibility
Compatible with 1948-1965 Harley-Davidson Panhead models requiring standard diameter intake and exhaust valves.
What's included
- Full set of S.S. Black Diamond™ valves, stock head diameter
Frequently asked questions
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