Engineered using advanced powdered metal technology, this premium KPMI valve seat blends specialized alloys to deliver uniform hardness, exceptional thermal qualities, and outstanding resistance to wear, burning, and microwelding. Designed to prevent seat and valve face recession, it ensures reliable sealing and durability under high-stress engine demands.

This high-density component is compatible with standard tooling for seamless machining and features a generous leading edge radius for trouble-free installation. It provides flawless performance across various fuels—including leaded, unleaded, ethanol, and methanol blends—making it the ideal choice for street, track, and high spring-load V-twin builds.

Key Features

Highlights

• Crafted from advanced powdered metal technology for exceptional density and wear resistance
• Resists microwelding, corrosion, burning, and valve seat recession
• Fully compatible with leaded, unleaded, ethanol, and methanol fuels
• Machinable with standard tooling and features a radiused leading edge for easy installation

Compatibility

• Harley-Davidson Shovelhead 74" (1966–1977)
• Harley-Davidson Shovelhead 80" (1978–1983)