KPMI Valve Kit 20-22100 for Harley-Davidson

KPMI Valve Kit 20-22100 for Harley-Davidson Panhead 1948-1965

$224.00
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KPMI Valve Kit 20-22100 for Harley-Davidson

KPMI Valve Kit 20-22100 for Harley-Davidson Panhead 1948-1965

$224.00

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

What is included in this valve kit?

The kit includes a full standard set of four stainless steel Black Diamond valves: two intake valves and two exhaust valves.

What motorcycles are compatible with this valve kit?

This standard valve kit is designed for 1948-1965 Harley-Davidson Panhead engines.

What are the advantages of the Black Diamond treatment?

The special process improves wear resistance, minimizes friction, and provides corrosion protection superior to standard chrome or nickel plating.

How are these valves constructed?

They are lightweight, one-piece forgings designed using Finite Element Analysis software and flow-bench tested for optimal characteristics.

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