GSC Power-Division Billet S1 Camshaft set for EJ207 JDM/EURO WRX & STi V7+

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Description

GSC Power-Division Billet S1 Camshaft set for EJ207 JDM/EURO WRX & STi V7+GSC Power Division Billet S1 camshafts for the Subaru EJ207 Version 7 and above with single AVCS. These will not drop any low end power, and will create more power and torque across the entire RPM range. Good for stock frame upgraded turbos or up to 500 WHP upgrades. Upgraded valve springs are required. Due to the lobe size, head castings may need to be filed down slightly for clearance Please check during install 7027S1 ADV Duration Duration @ 0.

Stem Diameter (mm) Overall Length (mm) Head Diameter (mm) 6 100

MUST BE PAIRED WITH GSC3113-12 VALVE GUIDES

The S2 cams require an upgraded valve spring

013 125 254lbs @ 0

Trying to break records

ported cylinder head

GSC3097 Standard (in/mm) Total Length 1

STD size 29mm

we have less valve distortion at the face than any of the tested designs

GSC Power Division Billet S1 Camshaft Subaru 2008+ STI EJ257B With Dual AVCS

GSC Power-Division Exhaust Valve for 4G63T+1mm - 31

GSC Keepers feature black oxide coating to prevent sticking and aid in rust prevention