KPMI Valve Kit 20-22600 for Harley-Davidson Evo 1984-1999
$197.00
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KPMI Valve Kit 20-22600 for Harley-Davidson Evo 1984-1999
$197.00
Upgrade your engine's valvetrain with the KPMI Black Diamond™ Stainless Steel Valve Kit, engineered specifically for Harley-Davidson Evolution models. Designed using Finite Element Analysis software and tested on computerized flow benches, these lightweight, one-piece forged valves offer exceptional flow characteristics and high-performance durability.
Each valve undergoes a specialized German impregnation process to reduce friction, enhance wear properties, and deliver corrosion resistance that surpasses standard chrome and nickel plating. This complete standard intake and exhaust set ensures reliable sealing, smooth operation, and long-lasting performance under demanding riding conditions.
Key Features
| Brand | KPMI |
| Manufacturer Part Number (SKU) | 20-22600 |
| Type | Intake / Exhaust |
| Material | Black Diamond™ Stainless Steel |
| Coating | Black Nitroneg |
| Quantity | 2 Intake Valves, 2 Exhaust Valves |
| Intake Head Diameter | 46.7 mm |
| Intake Stem Diameter | 7.9 mm |
| Intake Tulip Angle | 23º |
| Intake Overall Length | 112.9 mm |
| Exhaust Head Diameter | 41 mm |
| Exhaust Stem Diameter | 7.9 mm |
| Exhaust Tulip Angle | 29º |
| Exhaust Overall Length | 114.9 mm |
| Remarks | Standard Size |
| Estimated Shipping Weight | 0.5 kg |
Highlights
- One-piece forged stainless steel construction for maximum strength
- Black Diamond™ surface treatment for reduced friction and high wear resistance
- Tested on computerized flow benches for optimized flow dynamics
- Direct standard-size fitment for 1984–1999 Harley-Davidson Evolution engines
Compatibility
Compatible with 1984–1999 Harley-Davidson Evolution engines requiring standard size intake and exhaust valves.
What's included
- 2 x Black Diamond™ Stainless Steel Standard Intake Valves
- 2 x Black Diamond™ Stainless Steel Standard Exhaust Valves
Frequently asked questions
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