Radium 10AN Male Press-In Valve Cover Fitting, Honda K-Series

The Radium Engineering 20-0909 10AN Male Press-In Valve Cover Fitting is a low-profile, swivel-action fitting designed for Honda K-Series valve covers. It simply presses in — no drilling, welding, or permanent modification required — making it the ideal solution for routing crankcase ventilation hoses to an oil catch can or AOS on K-Series builds.

Important: There are multiple valve cover variants across the Honda K-Series range. This fitting is only compatible with valve covers that have an OEM press-in fitting from the factory. It is not compatible with earlier K-Series valve covers that do not feature an OEM press-in port. Check the compatibility lists below before purchasing.

Key Features

• Simple press-fit installation — no drilling, welding, or permanent modification required
• Low profile 10AN male fitting — ideal for tight engine bay routing
• 360° swivel action — FKM O-rings allow free rotation for easy hose alignment
• Stainless and aluminium construction — corrosion resistant and fuel safe
• Anodised and laser engraved — premium finish with permanent part identification

Compatible Valve Covers

• K20A6
• K20A7
• K20Z2
• K20Z3
• K20Z4
• K24A
• K24A2 (2006-2008)
• K24A3
• K24A4
• K24A8
• K24Z1
• K24Z2
• K24Z3
• K24Z4
• K24Z5
• K24Z6
• K24Z7

Non-Compatible Valve Covers

This fitting will NOT fit the following valve covers (no OEM press-in port):

• K20A
• K20A1
• K20A2
• K20A3
• K20A4
• K20A9
• K20B
• K20Z1
• K23A1
• K24A1
• K24A2 (2004-2005)

Available Part Numbers

• 20-0909 — 10AN Male Press-In Valve Cover Fitting, Honda K-Series

Why Radium Engineering?

• ✔ Designed and manufactured in the USA
• ✔ Stainless and anodised aluminium — precision fit, corrosion resistant
• ✔ FKM O-ring swivel — fuel and oil safe, full 360° rotation
• ✔ Trusted by professional motorsport teams and serious enthusiasts worldwide
• ✔ Exclusively distributed in Australia by Coore

Genuine Radium Engineering product. Stocked in Sydney for fast Australian delivery. Verify your valve cover code before purchasing — not all K-Series valve covers are compatible.

Browse more Radium Engineering parts at JDM Mods NQ