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