KPMI Black Diamond Exhaust Valve - HD Twin CAM 88-103" 2005-2011 — Harley-Davidson (1984-2017)

KPMI Black Diamond exhaust valve for Harley Twin Cam 88-103 engines (2005-2011), made from stainless steel and hardened using a proprietary German impregnation process to .002" depth. Black Diamond coating improves wear resistance, reduces friction, and resists corrosion better than chrome or nickel plating.

Features

• Stainless steel one-piece forging
• German Black Diamond impregnation process
• Superior wear and corrosion resistance
• Optimized flow profile
• Light and durable construction

Specifications

• Brand: KPMI
• Manufacturer Part #: 20-20325
• Length: 4.85 in
• Width: 3.7 in
• Height: 1.55 in
• Weight: 0.16 lbs

Fitment

Fits Harley-Davidson Twin Cam 88-103 cubic inch engines, 2005 through 2011 model years.

Frequently Asked Questions

Will this fit my Twin Cam engine?

Yes — this exhaust valve fits all Harley Twin Cam 88-103 engines from 2005 to 2011.

What makes Black Diamond different from chrome valves?

Black Diamond uses German impregnation hardening to .002" depth, providing superior wear resistance and corrosion protection compared to chrome or nickel plating.

Do I need both intake and exhaust valves?

Check your engine — most rebuilds require both intake and exhaust valves. Verify your specific engine specs before ordering.

Is this a direct replacement?

Yes — this is a direct-fit replacement valve for stock Twin Cam applications. Professional installation recommended for engine work.