IAG 1150 2.5L Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 1150 BHP

IAG 1150 Closed Deck EJ25 Short Block Includes: Case Halves -Converted to Closed Deck from brand new OEM Subaru case halves, bored and honed to 99.75mm. Pinned Mains -Machine case for 9.5mm pinned mains and lined honed. Fire-Lock -IAG Fire-Lock™ receiver groove machining, latest solution to prevent head gasket failure on high horsepower and high boost Subaru's - *IAG Fire-Lock™ head gaskets required Head Studs -Machined for 14mm Head Studs. Pistons -IAG-Spec JE FSR 99.75mm 2618 Forged Pistons, Electroless Nickel Plated Tops & Ring area, Ring Set, .250" / .927" H13 Wrist Pins, Clips, (Perfect Skirt Coating and Offset Wrist Pins) Connecting Rods -IAG-Spec +2mm Tri-Beam Connecting Rods with ARP 625+ Rod Bolts. Rod / Main Bearings -ACL or King Race Bearings. Crank -IAG-Spec Billet Crank Case / Main Bolts -ARP Main Bolts. Compression Ratio: 8.5:1 on D Cylinder Heads (EJ255) 8.2:1 on B, V and W EJ257 Heads with standard thickness gasket. Head Gasket Required: *IAG Fire-Lock