LT1/LT4/LT5 BoostPrep Shortblock (Gen.V LT)
 
Bore: 4.070"
Stroke: 3.622"
Connecting Rod Length: 6.125"
Displacement: 6.2L / 377c.i.
Piston Volume: -8.2cc or -20cc dish with valve reliefs
Compression Ratio:
10.9:1 with 59cc(LT1 Heads with -8.2cc dish pistons)
10.1:1 with 59cc(LT1 Heads with -20cc dish pistons)
9.6:1 with 65.5cc(LT4 heads with -8.2cc dish pistons)
9.1:1 with 65.5cc(LT4 heads with -20cc dish pistons)
 
Horsepower Rating: Up to 1200whp
 
Engine Block: New OEM LT1/4/5 Aluminum Block
Crankshaft: OEM Forged Gen V LT 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

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