Supertech Beehive Valve Spring Subaru EJ20 / EJ25 Turbo WRX / WRX STI

Supertech Beehive Valve Spring - Subaru EJ20 / EJ25 Turbo - WRX / WRX STI

Supertech beehive valve spring for the turbocharged EJ20 and EJ25 DOHC engines in the Subaru WRX and WRX STI, Forester GT / XT and Liberty GT. The beehive shape tapers at the top to run a smaller, lighter retainer for better valve control at high rpm. Use it as a replacement in a Supertech kit or to build your own spring setup with the retainers and seat locators to suit.

Note: Not for the 2015-on WRX (VA), which has the FA20 engine. Pressures are Supertech's figures at the installed height shown. Installation by a professional engine builder is recommended.

Features

• Seat pressure 91 lb @ 33.60mm
• Open pressure 230 lb @ 11mm
• Max valve lift 11.10mm
• Coil bind 21.80mm
• Spring rate 12.7 lb/mm
• Sold as a single spring

Pairs Well With

• Supertech Dual Valve Spring Kit 82 lb - Subaru EJ20 / EJ25 Turbo - WRX / WRX STI
• Supertech Valve Locks 6mm 6 Degree - Subaru EJ20 Turbo / EJ25 - WRX / WRX STI / Forester / Liberty
• Supertech Polyacrylic Intake Valve Stem Seals - Subaru EJ20 Turbo / EJ25 - WRX / WRX STI / Forester / Liberty
• Supertech Viton Exhaust Valve Stem Seals - Subaru EJ20 Turbo / EJ25 - WRX / WRX STI / Forester / Liberty

Shop more: Supertech

Need help choosing parts? Contact our team at sales@chicaneaustralia.com.au.