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EJ255 (WRX MY08-14)
Manufacturer Part No: ST130284S000
2 x oil separator cover gaskets
Uses original top mounts
This process helps to maintain the main bearing bore geometry under extreme forces and reduces the possibility of bearing failure
RalliSpec FA20 Short Block S1 (600bhp) - Street Spec Flat Fuel Door EJ255 (WRX MY08-14)RELY ON RALLISPEC'S 25 YEARS OF SUBARU ENGINE BUILDING EXPERIENCE Our Street Spec FA20 short block is fully built with forged pistons and rods to support higher power levels and withstand demanding track use yet is perfectly at home in a daily driven street application. We start with a new factory block case and crankshaft that have been ultrasonically cleaned, inspected, and measured. We fit ACL tri metal bearings for increased load carrying capacity
