KPMI Black Diamond Intake Valve - HD Sporster 1200cc 1986-2003 — Harley-Davidson Sportster 1200, Sportster 1200 Custom, Sportster Sport (1988-2003)

KPMI Black Diamond intake valve for Harley-Davidson Sportster 1200cc, 1986-2003. One-piece forged stainless steel treated with a proprietary German surface impregnation process that improves wear resistance, reduces friction, and outperforms chrome or nickel plating.

Features

• Black Diamond German surface impregnation process (.002" depth)
• Superior wear and corrosion resistance vs. chrome/nickel plating
• One-piece forged construction
• Optimized flow profile
• Lightweight design

Specifications

• Brand: KPMI
• Manufacturer Part #: 20-2013
• Length: 7.12 in
• Width: 3.5 in
• Height: 1.3 in
• Weight: 0.19 lbs

Fitment

Fits Harley-Davidson Sportster 1200cc models, 1986 through 2003.

Frequently Asked Questions

What is the Black Diamond process?

A proprietary German surface impregnation that hardens stainless steel to .002" depth, improving wear and corrosion resistance beyond chrome or nickel plating.

Is this an intake or exhaust valve?

This is an intake valve. Check KPMI part numbers separately if you need exhaust valves.

Will this fit my 2004+ Sportster 1200?

No — this part is for 1986-2003 Sportster 1200cc. Later model years use different valve specifications.

Do I need new valve seats or guides?

Installation depends on your engine's current condition. Have a qualified technician inspect seat and guide wear before reassembly.

Is this valve street legal?

Yes — KPMI Black Diamond valves are OEM-spec replacements suitable for all street applications.