Gen IV LS Power
Gen IV LS Power

Up to
638 hp

Up to
604 lb.-ft.

Up to
6,800
Max Rec RPM

Up to
376 cu. in. (6.2L)
Displacement
LS3 Engines
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LS3
The trusted, rugged and reliable choice — with plenty of torque and horsepower.
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LS364/450
A popular builder's choice — LS6 camshaft and aluminum cylinder heads.
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LS376/480
A hot, racing-inspired camshaft on the LS3 — the best of both worlds.
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LS376/515
Pure muscle with a proven track record — designed to pair with carburetor models.