It includes longer stroke
7 L/MIN - ACL Orbit Performance Oil Pump - 39
It’s commonly used in built K-series heads where reliability
Installation of a lightweight flywheel on your engine will reduce rotational mass on the crankshaft
and they even offer a lifetime warranty to the original owner (excluding normal wear and tear on the bearing)
Subaru OEM 2.5L Bare Cylinder Head Right Side Subaru STI 2005-2006 / WRX 2006 / Forester XT 2006 | 11039AB910 SkylineR34_1999-2002 It includes longer strokeThis oem subaru right side head is brand new, blank OEM EJ257 B25 V25 W25 Head straight from Subaru. Repairing an engine failure? Building an engine from scratch with your own internals and valvetrain? This is a great option for you, since Subaru no longer offers fully assembled heads as a single part number. This head does not contain valves, retainers, springs, cams, seals, gaskets, etc. This is just the blank head casings as pictured. Both sides