RCM Billet Aluminium High Temp Half Moon Seal
Price range: £13.14 through £51.54
The RCM Billet Half Moon seals (also known as cylinder head plugs) have been specifically designed to replace the problematic OE plastic seals which become hardened and brittle with the constant temperature changes, eventually leaking and requiring replacement again. Manufactured from high grade aluminium, these RCM engraved replacements will not suffer from these issues. Fitting…
EKS Fitment Advice
EKS currently identifies this product as Needs Confirmation
Compatibility of any product, greatly depends on model + year + trim + mods. Most Subaru’s are in different states of tune, so please contact Rich, from EKS to get clarity before purchasing.
Potential Applications
Subaru Impreza 1992-2000 (GC/GF), Subaru Impreza 2001-2002 (GD/GG Bugeye), Subaru Impreza 2003-2005 (GD/GG Blobeye), Subaru Impreza 2006-2007 (GD/GG Hawkeye), Subaru Impreza / WRX STI 2008-2013 (GR/GV), Subaru Forester 1996-2002 (SF), Subaru Forester 2003-2005 (SG early), Subaru Forester 2006-2007 (SG facelift), Subaru Forester 2008-2013 (SH), Subaru Legacy 1992-2003, Subaru Legacy 2003-2009 (BL/BP), Subaru Legacy 2009-2014 (BM/BR)
Full List of EKS Fitment Evidence Types
For context, here are all categories of fitment according to EKS.
- Direct Fitment: means the product is currently listed as fitting the model/generation shown.
- Shared / Application Fitment: means the product may suit shared Subaru platforms, engines, turbos, drivetrains, brakes, cooling/intake setups or modified applications.
- Universal / Service Item: means the product is broadly useful for Subaru servicing, maintenance, workshop use or general ownership.
- Needs Confirmation: means the product appears relevant, but final fitment may depend on extra details.
Technical Information
Product Type: variable
Product SKU: EKS-RCM-7143107133614
Supplier SKU:
Supplier Product Number: 7.14E+12
Supplier Variant Product Number:
Supplier URL: /products/rcm-billet-aluminium-high-temp-half-moon-seal
Product Description
The RCM Billet Half Moon seals (also known as cylinder head plugs) have been specifically designed to replace the problematic OE plastic seals which become hardened and brittle with the constant temperature changes, eventually leaking and requiring replacement again.
Manufactured from high grade aluminium, these RCM engraved replacements will not suffer from these issues. Fitting precisely into place and sealed with our SGA35 liquid gasket, this simple, quality part will ensure that leaks on the rear of your cylinder heads become a thing of the past.
Please note, when ordering you will need to purchase 4 of these for a complete engine, please use the option to select 1 or 4 half moons as required.





















