Our Street-Strip Series5.3 long block is rated to handle 1000 HP reliably.Whether you want to pump some boost in this unit and see what that tranny can hold, or if you want to see just how much nitrous a 5.3 can eat, this is the right place to start!
Build Specs:
GM Iron 6.0L Block
GM Stock 6.0L Crank
Forged H-Beam Rods with ARP bolts
Mahle Forged Flat Top Pistons and Rings
LS7 Lifters and Trays
Single roller Billet Gear, performance timing chain and gear set
Cloyes timing chain dampener, also added to all gen3 builds
Pushrods, one-piece - hardened, 7.400”
BoostLine CNC Ported 243/799 casting Heads, New Stainless Valves, PAC spring kit with Ti retainers
GM Rockers built with bronze bushing and trunnion kits
New 12pt Rocker Arm Bolts
Clevite Main and Rod Bearings
Durabond Cam Bearings
New block plug kit and barbell
Melling Oil Pump
ARP Main Studs
ARP Head Studs
Fel Pro Gaskets Throughout
BTR LS9 Head Gaskets
GM stock valve covers (Upgrade to different valve covers)
GM stock truck oil pan and pickup tube (Upgrade Pan)