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lsx454
The LSX454 is filled with

GM LSX454 Crate Engine

All GM Performance Parts Crate
lsx454crate
We offer everything you need

Type

LSx Cast Iron w/6-bolt, main caps

Displacement

454ci 7.4L

Horsepower

See Dyno Chart

Torque

See Dyno Chart

Fuel Shut-off

6500 RPM

Bore x Stroke

4.185in x 4.125in

Firing Order

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

Valve Config.

Overhead Valves

Valve Lifter

Hydraulic Roller

Block

Cast Iron

Cylinder Head

Cast Aluminum

Intake Manifold

None

Crankshaft

4340 Forged Steel w/8-bolt flange

Pistons

Forged Aluminum

Connecting Rods

4340 Forged Steel

Valve Size

2.20in Intake / 1.61in Exhaust

Compression Ratio

11.0:1

Camshaft Type

Hydraulic Roller

Camshaft Lift

.635in Intake / .635in Exhaust

Camshaft Duration (@.050in)

236 Intake / 246 Exhaust

Rocker Arm Ratio

1.8:1

lsx454dyno
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Southern Performance Systems, Inc
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