Chevrolet Performance GM LS3 6.2L Base Crate Engine Long Block Assembly [430 HP 424 ft.-lbs of TQ]
809-19434644
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
19434644 supersedes 19432422, 19420382
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.