2021 Subaru Wrx sti

607 whp on 32psi on 93 Oct. 833whp on flexfuel 41 psi. Running on Brewed Motortsports Plug n Play Haltech Elite 2500 ECU package with IO expansion box and full Flex Fuel support + SI drive switch for multiple calibrations that can be switched on the fly! This car runs and drives smoother than an OEM STI yet makes over 800WHP on pump E85 fuel. Sti race car: Case Halves -Converted to Closed Deck using brand new Subaru OEM case halves, bored and honed to 99.75mm. 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 -Machine Case for 14mm head studs Pistons -IAG-Spec JE FSR 99.75mm 2618 Forged Pistons, Electroless Nickel Plated Tops & Ring area, Ring Set, .250" / .906" H13 Wrist Pins, Clips, (Perfect Skirt Coating and Offset Wrist Pins) Connecting Rods -IAG-Spec Tuff H-Beam +2mm / ARP 625+ 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. Stage 4 Heads: Heads - Brand New Subaru OEM WRX STI Cylinder Head Castings Machine Porting - CNC Ported Intake and Exhaust Runners Intake Valves - GSC 37mm (+1mm) Intake Valves Exhaust Valves - GSC 33mm (+1mm) SuperAlloy Exhaust Valves Springs / Retainers - GSC Beehive Valve Springs & Retainers Guides - GSC Maganese Valve Guides Valve Seals - GSC Valve Stem Seals Lifters - OEM Lifter Buckets Camshafts - GSC Stage 2 or Stage 3 Billet Camshafts Multi-Angle Valve Job Machined Cam Lobe Clearance Drilled For 14mm Heads Studs Resurface Ultrasonic Cleaning Final Lash Gaskets, Hardware & Accessories: Head Studs - IAG / ARP 14mm Set Head Gaskets - IAG Fire-Lock™ Valve Cover Gaskets - OEM Cam Seals - OEM Valve Covers - OEM Wrist Pin Seal, Rear Main Seal & Separator Kit Crankshaft Woodruff Key