Chevrolet Performance GM LS3 6.2L Base Crate Engine Long Block Assembly [430 HP 424 ft.-lbs of TQ]
809-19435106
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Base Crate Engine
LS3 6.2L Performance Crate Engine
GM 6.2L LS3 first appeared in 2008 for the Corvette C6, it features a durable aluminum cylinder block that houses a cast steel crankshaft and lightweight reciprocating parts. High-flow rectangle port cylinder heads feature a high flowing design to deliver outstanding performance.
LS3 6.2L Engine Specs:
- Engine Type: LS-Series Gen IV Small-Block V-8
- Displacement: 376 ci (6.2L)
- Bore x Stroke: 4.065 x 3.622 in. (103.250 x 92 mm)
- Block: Cast-aluminum with six-bolt, cross-bolted main caps
- Crankshaft: Nodular iron
- Connecting Rods: Powdered metal
- Pistons: Hypereutectic aluminum
- Camshaft Type: Hydraulic roller
- Valve Lift: .551 in. intake / .522 in. exhaust
- Camshaft Duration (@.050 in.): 204-degree intake / 211-degree exhaust
- Cylinder Heads: L92 style port; ''as cast'' with 68-cc chambers
- Valve Size: 2.165 in. intake / 1.590 in. exhaust
- Compression Ratio: 10.71
- Rocker Arms: Investment-cast, roller trunnion
- Rocker Arm Ratio: 1.7:1
- Recommended Fuel: 92 octane
- Maximum Recommended rpm: 6600
- Reluctor Wheel: 58X
- Balanced: Internal
19435106 supersedes 19434644, 19432422, 19420382
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