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Chevrolet Performance LS3 6.2L 376ci/480HP Engine


Chevrolet Performance
Chevrolet Performance LS3 6.2L 376ci/480HP Engine

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The hot new small block V8 in the Chevrolet Performance lineup is the hyper-aggressive LS3. It offers a high-revving 376-inch combination that represents generations of small block V8 development and engineering. Not only is the LS3 an amazing engine in its stock configuration, but with those high-flowing rectangular port cylinder heads, the LS3 is loaded with potential. To tap into this potential, the engineers at Cherolet Performance Parts offer you the LS 376/480 - an LS3 with an upgraded camshaft that ups power by a whopping 50 horsepower!

The LS 376/480 comes with the same great features as the LS3 crate engine. The bottom end includes a 6-bolt aluminum block, nodular crank, high performance rods, and 10.7:1 pistons. The heads are high-flowing rectangular-port units that share their design with the amazing LS7. The same EFI intake manifold feeds the hungry engine, while 1.7:1 roller rockers work with the upgraded camshaft.

The GM Performance Parts engineers picked the LS Hot Cam (p/n 809-88958733) to take the LS3 to the next level. This cam specs out with .525-inch intake and exhaust valve lift. Duration (@ .050 inches) is 219° intake and 228° exhaust. This cam allows for a dramatic increase in power across the power band while still maintaining good street manners. The engine will idle and cruise just like an LS3, but the extra 50 horsepower increase is there whenever you need it!

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3 Products
LS3 376ci/480HP Engine

809-19301358
LS3 376/480 6.2L Gen IV Engine
  • 480 HP at 5900 RPM
  • 465 ft/lbs TQ at 4600 RPM
  • Intended for pre-1976 street vehicles or any off-road
  • NOT intended for Marine Applications
  • $6,787.99
    Ships

    809-19301358K
    LS3 376/480 Gen IV 376ci Engine Kit
    Includes:
  • LS3 376/480 Engine
  • LS3 376/480 Engine Controller Kit
  • LS Muscle Car Oil Pan Kit
  • Dyno Chart for Chevrolet Performance 19301358K Easy Kits Installation Instructions for Chevrolet Performance 19301358K
    $8,078.97
    Ships

    809-10379038
    Electronic Accelerator Pedal Assembly
    $71.99
    Ships

    3 Products