LY6 408ci Boosted 850hp Stroker Crate Engine LS Swap/Hot Rod $29,499 - This LY6 crate engine makes max power and torque with a hydraulic cam which is very street able but also gives you the sound you are looking for!! Peak Horsepower: 850-900bhp @ 7000 rpm Peak Torque: 850lb/ft @ 5200 rpm Compression Ratio: 9.5:1 Operating Range: 2500 – 7000rpm Required Fuel: 91+ Octane Pump Gasoline LY6 408ci Boosted 850hp Stroker Crate Engine LS Swap/Hot Rod quantity Add to cart Categories: LSx Complete Engines, LSx Crate Engines ENGINE SPECIFICATIONS BLOCK SPECIFICATIONS Block: GM LY6 Cast Iron Block Zero Decked Bored 4.030” Honed with Torque Plates and Pressure Washed New Durabond Cam Bearings Installed Line Honed ARP Main Studs Pistons: Wiseco Boosted Forged pistons with Anti-Friction Coating Bearings: King H-Series Main and Rod Bearings Lifters: Johnson OE Hydraulic Roller Covers: Oil Pan (Holley LS Swap) GM Timing Cover GM Rear Cover Motion Race Works Billet Lifter Valley Cover GM Valve Covers (options available) Crank: Callies Comp Star 4340 Forged Steel 4.000” stroke Internally Balanced Front and Rear Rods: Callies Comp Star Forged Steel H-Beam 6.125” Length Rings: Mahle Plasma Moly Camshaft: BTR Boost PD Billet Hydraulic Roller Timing Sets: Cloyes Billet Roller with C5R Chain Oil Delivery: Melling Select Performance High Volume GM Pick Up Tube GM Windage Tray Gaskets: Cometic MLS Head Gaskets GM Cover Gaskets CYLINDER HEAD SPECIFICATIONS Type: Golen Aftermarket LS Aluminum CNC Ported Three angle performance valve job Intake Valves: REV Stainless Steel 2.16” Exhaust Valves: REV Stainless Steel 1.6” Head Studs: ARP Performance Head Studs Intake System: Whipple 3.0L Super Charger in Black 102mm Nick Williams Billet DBW Throttle Body Bosch 100lb Uscar Fuel Injectors EFI System: Holley Terminator X EFI Comes Tested and Tuned Remote Tune Support Included Auto Transmission Controller Available Delphi Ignition Coil Kit with Spark Plug Wires Front Accessory Drive: Wegner Billet Front Super Charger Drive Dedicated Super Charger Belt, no slip Black Anodized with Diamond Cut (Polished Option Available) 170amp Alternator, Power Steering with Attached Res, AC Pump Combustion Chamber: 70cc Flow: 380CFM @ .600” Lift Spring Kit: BTR Polished Double Valve Spring Light Weight Titanium Retainers and Hardened Locks Rocker Arms: GM Factory 1.7 Ratio with BTR Trunion Upgrade Installed Pushrods: Smith Brothers 5/16 .083” Wall Hardened Ignition System: NGK Spark Plugs Dyno Test Service: Run Engine for Full Break In and Power Test NA 2 Oil Changes using Lucas Break In Oil Graphs Listing HP, Torque and all Engine Vitals