BoostPrep 427 Sleeved LT Shortblock

 

Bore: 4.125"

Stroke: 4.000"

Connecting Rod Length: 6.125"

Displacement: 7.0L / 427c.i.

Piston Volume: -16.0cc or -24.5cc dish with valve reliefs

Compression Ratio:

11.1:1 with 59cc(LT1 Heads with -16cc dish pistons)

10.25:1 with 59cc(LT1 Heads with -24.5cc dish pistons)

10.4:1 with 65.5cc(LT4 heads with -16cc dish pistons)

9.65:1 with 65.5cc(LT4 heads with -24.5cc dish pistons)

 

Horsepower Rating: Up to 1400whp

 

Engine Block: OEM LT1 6.2L Aluminum Block with 4.125" bore Darton Sleeves

Crankshaft: Callies 8 Counter Weight Magnum Crankshaft

Pistons: Diamond Racing Forged Pistons

Connecting Rods: Callies Ultra Billet 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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427 Sleeved LT BoostPrep Shortblock

$12,750.00Price