K20 Short Block Compression Ratio:14.5 cr Primary spring will give you

Primary spring will give you optimized engagement at a lower RPM

-Upgraded ARP Studs

Send cores with sales receipt to 441 Victory Rd

Transform your Subaru EJ engine into a high-performance powerhouse with our premium Sleeved Block Service

and shift through the CVT Gearing

K20 Short Block Compression Ratio:14.5 cr Primary spring will give youStock Sleeve & Sleeved Block options at multiple compression ratios. Race proven for reliability on the track and on the street. All engines are Balanced, Assembled and Blueprinted All motor setups utilize our tested PCE H Beam Rods with Arias Pistons. DLC wristpins come standard. Turbo setups (11. 1cr and below) use Manley Turbo Tuffs with a CP Piston. Upgraded wall thickness comes standard. All blocks use ACL rod & main bearings and come with new