KPMI Valve Guide - IN / EX Std. Bronze HD Evolution 1987-1999 — Harley-Davidson (1984-2004)

KPMI valve guide for Harley Evolution engines, a bronze OEM-replacement intake and exhaust guide for 1987-1999 models. Direct fit into factory bore without honing or reaming.

Features

• Bronze construction
• Fits both intake and exhaust positions
• Standard size — no custom boring required
• OEM-spec replacement

Specifications

• Brand: KPMI
• Manufacturer Part #: 20-4320
• Length: 3.45 in
• Width: 5.9 in
• Height: 0.65 in
• Weight: 0.06 lbs

Fitment

Fits Harley-Davidson Evolution engines, 1987-1999 model years. Works for both intake and exhaust valve positions.

Frequently Asked Questions

Will this fit my 2000+ Harley with Twin Cam?

No — this part is specific to Evolution engines (1987-1999). Twin Cam models require different valve guides.

Do I need to hone or ream the cylinder head?

No. Standard size guides fit directly into the factory bore without machining.

Can I use this for both intake and exhaust valves?

Yes. This guide works in both positions on Evolution cylinder heads.

Is this an OEM Harley part or an aftermarket replacement?

KPMI manufactures this to OEM specifications as a direct replacement guide.