Looking for an engine that will take you over the 1000hp mark without praying to the Horsepower gods that it stays together before every pass? Well look no further, our BoostPrep line of engines is exactly what you're looking for.
BoostPrep 416 Stroker LS3/LSA/LS9
Bore: 4.065"
Stroke: 4.000"
Connecting Rod Length: 6.125"
Displacement: 6.8L / 416c.i.
Piston Volume: -21.0cc dish with valve reliefs
Compression Ratio:
9.5:1 with 68cc(LS3 Heads with -21.0cc dish pistons)
9.2:1 with 72cc(Frankenstein M311 heads with -21.0cc dish pistons)
Horsepower Rating: Up to 1100whp
Engine Block: New OEM LS3 6.2L Aluminum Block
Crankshaft: New Callies Stroker Crankshaft
Pistons: Diamond Racing Forged Pistons
Connecting Rods: Callies Compstar H-Beam Connecting rods w/ ARP rod bolts
Main Fasteners: ARP Main Studs
Main Bearings: King XP-Series Race Bearings
Rod Bearings: King XP-Series Race Bearings
Cam Bearings: Durabond one piece bearings
Cylinder Heads: Strictly Spec'd CNC Ported LS3 Heads
Valves: 2.165" intake / 1.590" exhaust
Valve Springs: .660" Lift Dual Valve Springs w/ Titanium retainers
Camshaft: Application Specific Spec'd Camshaft
Timing Chain: Katech C5-R Timing Chain
Lifters: OE Replacement LS7 Lifters
Push Rods: 5/16 Diameter Chromoly Pushrods
Rocker Arms: New LS3 Rocker Arms w/ trunnion upgrade
Head Fasteners: GM Head Bolts or Optional ARP Head Studs
Head Gaskets: GM MLS Head Gaskets
Oil Pump: Melling High Pressure Oil Pump