408 LS Swap Package

The Boostline Performance Street-Strip 408 Turn-Key Package is built for enthusiasts who want a complete, proven combination capable of serious performance. Starting with our forged 408 short block, this package delivers the displacement, durability, and versatility needed for everything from street-driven hot rods to dedicated race builds. Capable of producing over 600 horsepower naturally aspirated with the right camshaft and induction package, the Street-Strip 408 is equally at home with boost or nitrous. Built around a GM iron 6.0 block and packed with forged internals, this combination provides a reliable foundation for power levels approaching 1,000 horsepower. Designed as a complete, ready-to-run package, the Boostline Street-Strip 408 takes the guesswork out of your build and delivers the performance, reliability, and drivability needed to get your project on the road or at the track. Build Specs: GM Gen4 6.0 Block Boostline CCW Forged Crankshaft Heavy Duty H-Beam Rods 7/16 ARP 2000 Rod Bolts Mahle or CP Forged Pistons (Dependent on Availability) Performance Ductile Moly Rings set: 1.5, 1.5, 3mm LS7 Lifters and Trays Single roller timing chain & gear set Cloyes timing chain dampener, also added to all gen3 builds Pushrods, one piece - hardened GM Rockers with BTR trunnion kits installed BTR Red Hot Camshaft GM 821/823 Heads, remanufactured - New springs & seals Clevite Main and Rod Bearings Durabond Cam Bearings New block plug kit and barbell New Oil Pump New Head Bolts Cometic Gaskets Boostline valve covers GM stock truck oil pan and pickup tube GM stock front cover GM stock valley cover GM stock rear seal housing Summit Racing Fabricated Intake Manifold and Fuel Rails GM Ignition Coil Set GM Ignition Wires DW Injectors TR6 NGK Spark Plugs 87mm Gen 4 Drive by Wire Throttle Body Holley Terminator X Max with Drive by Wire and 4l60/4l80 Transmission control