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LS7Crate
The king of all Corvettes

Type

7.0L V8

Displacement

427ci

Horsepower

See Don Chart

Torque

See Dyno Chart

Fuel Shut-off

7000 RPM

Bore x Stroke

4.125in x 4.00

Firing Order

1-8-7-2-6-5-4-3

Valve Config.

Overhead Valves

Valve Lifter

Hydraulic Roller

Block

Cast Aluminum

Cylinder Head

Cast Aluminum

Cylinder Head Type

CNC Ported 70cc CNC Chambers

Intake Manifold

Composite

Crankshaft

Forged Steel

Pistons

Hypereutectic Aluminum

Connecting Rods

Forged Titanium

Valve Size

2.20in Intake / 1.61in Exhaust

Compression Ratio

10.7:1

Camshaft Type

Hydraulic Roller

Camshaft Lift

.591in Intake / .591in Exhaust

Camshaft Duration (@.050in)

211 Intake / 230 Exhaust

Rocker Arm Ratio

1.8:1 (Offset only)

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GM LS7 Crate Engine

All GM Performance Parts Crate
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We offer everything you need
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Southern Performance Systems, Inc
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