IAG 750 EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 750BHP

IAG 750 Closed Deck Includes:

• Case Halves -Converted to Closed Deck using brand new Subaru OEM case halves, bored and honed to 99.75mm.
• Pistons -IAG-Spec JE FSR 99.75mm 2618 Forged Pistons, Ring Set, .210" 9310 Steel Wrist Pins, Clips, (Perfect Skirt Coating and Offset Wrist Pins)
• Connecting Rods -IAG-Spec Tuff H-Beam / ARP2000 Rod Bolts.
• Rod / Main Bearings -ACL or King Race bearings.
• Crankshaft -Standard New Subaru Nitride Treated 2017+ STI Crankshaft.
• Case / Main Bolts -Standard FHI Subaru case bolts.

Compression Ratio:

• 9.5:1 on D Cylinder EJ255 Heads w/ OEM Head Gasket
• 8.9:1 on B, V and W EJ257 Heads w/ OEM Head Gasket
• 9.6:1 on S20 Heads without Combustion Chamber Mod and with OEM Head Gasket
• 9.1:1 on D Cylinder EJ255 Heads w/ .039" JE Proseal Head Gasket
• 8.6:1 on B, V and W EJ257 Heads w/ .039" JE Proseal Head Gasket
• 9.2:1 on S20 Heads without Combustion Chamber Mod and with .039" JE Proseal Head Gasket