KPMI Black Diamond Intake Valve - Sportster 1200cc Harley-Davidson
About KPMI
Kibblewhite Precision Machining supplies valves, valve springs, guides and complete top-end kits used by professional V-twin engine builders. Its black diamond valves and spring kits are a standard specification on high-lift cam builds.
Optimize the performance of your Harley-Davidson Sportster 1200cc engine with a KPMI Black Diamond intake valve. This precision-engineered valve is crafted from a single piece of stainless steel and treated for maximum durability.
Why riders pick this
- One-piece forged stainless steel
- Black Diamond German surface impregnation
- Superior wear and corrosion resistance
- Reduced friction for longer valve life
- Optimized flow profile
The KPMI Black Diamond intake valve for Sportster 1200cc engines is designed for riders who push their bikes hard. Forged from robust stainless steel, it features a proprietary German surface impregnation process that hardens the valve to a depth of .002 inches. This advanced treatment provides superior wear resistance and reduced friction compared to traditional chrome or nickel plating, ensuring your Sportster breathes efficiently and reliably for many miles to come.
Enhanced Performance and Longevity
- One-piece forged stainless steel construction for ultimate strength
- Black Diamond German surface impregnation (.002" depth)
- Superior wear and corrosion resistance over chrome or nickel plating
- Reduced friction for extended valve and valvetrain component life
- Optimized flow profile contributes to improved combustion efficiency
Built for Sportster Power
Whether you're hitting the canyons or cruising the open road, this KPMI Black Diamond intake valve is a key component for a high-performing Sportster 1200. Its lightweight design and optimized flow characteristics work together to enhance your engine's responsiveness and power delivery. For a complete valvetrain upgrade, consider pairing these intake valves with KPMI's Black Diamond exhaust valves specifically designed for your Sportster.
Specifications
- Brand: KPMI
- Manufacturer Part #: 20-2013
- Length: 7.12 in
- Width: 3.5 in
- Height: 1.3 in
- Weight: 0.19 lbs
Common questions
What is the Black Diamond process?
The Black Diamond process is a proprietary German surface impregnation that hardens stainless steel to a depth of .002 inches, significantly improving wear and corrosion resistance beyond what chrome or nickel plating offers.
Is this an intake or exhaust valve?
This is an intake valve. KPMI manufactures separate part numbers for exhaust valves, which should be ordered accordingly for a complete valvetrain refresh.
Will this fit my Harley-Davidson Sportster 1200?
This valve is specifically engineered for Harley-Davidson Sportster 1200cc engines. For exact model year compatibility, please confirm fitment using our Shop by Bike tool before ordering.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | KPMI |
| TYPE | Engine |
| SKU | 191-17007 |
| WEIGHT | 0.19 lb |
