Outfront Motorsports 775 Competition Complete Cylinder Head Package D25 Heads Flywheels How Does Dual Slope Matching

How Does Dual Slope Matching Work

​The stock rubber trans mounts under the bellhousing for early bug and early bus interfere with the engine adapters and require a clearance cut adapter

These custom pistons are made specifically for use with the D25 cylinder heads found on the 06-14 WRX and other EJ255 applications

is to check whether pins A1-3 are populated

8L MT 4WD Base Sedan 1994

Outfront Motorsports 775 Competition Complete Cylinder Head Package D25 Heads Flywheels How Does Dual Slope MatchingThe Outfront Motorsports 775 Pocket Ported Cylinder Heads are the perfect performance head upgrade for the weekend racer. These heads are a great option for the weekend racer with engines up to 775 BHP. The Outfront 775 Heads start with new OEM Genuine Subaru head castings. A multi angle valve job is performed as well as a fresh resurface. The heads go through multiple cleaning processes throughout the build machining processes. All oil plugs are