LS 6.0L 450hp 24x Long Block Crate Engine, GM Performance
BUDGET PERFORMER BLENDS BEST OF LS ENGINE FAMILY
Chevrolet Performance engineers have developed the LS364/450 as a value-driven foundation for hot rod builders and enthusiasts looking to give their earlier LS-powered vehicles a high-performance shot in the arm.
Starting with a strong, economical iron cylinder block and durable rotating assembly, the LS 6.0L features the high-lift LS6 camshaft and the deep-breathing LS3 aluminum cylinder heads. It’s a strong combination with exceptional horsepower and a broad torque band. It is also fuel injection-capable, using production-based components offered in this catalog.
The LS364/450 is designed with the early-style 24X crankshaft and 1X camshaft sensors, enabling easier retro-fit installation in early LS-powered vehicles, including 1998–2002 Camaros, C5 Corvettes, 1999–2006 full-size trucks and SUVs, and other LS vehicles.
We offer the LS364/450 exclusively as a long-block assembly, without the induction system, ignition system or front-end accessory drive system, allowing builders to transfer components from their early LS-powered vehicle or complete a custom build with the components of their choice. An intake manifold that matches the LS3/L92-style rectangular intake ports is required.
No matter which vehicle you drop the LS364/450 into, its combination of horsepower and value will push your project vehicle to the next level of performance!
Part Number: 19370163
Engine Type: Performance LQ9 long block
Displacement (cu in): 364 cu in (6.0L)
Bore x Stroke (in): 4.000 x 3.622 in (101.6 x 92 mm)
Block: Cast iron with 6-bolt block, cross-bolted main caps
Crankshaft: Nodular iron
Connecting Rods: Powdered metal
Pistons: Hypereutectic aluminum
Camshaft Type (P/N 12565308): LS6 hydraulic roller
Valve Lift (in): 0.550 intake / 0.550 exhaust
Camshaft Duration (@.050 in): 204º intake / 218º exhaust
Cylinder Heads: LS3 rectangular port; aluminum, as-cast with 68cc chambers
Valve Size (in): 2.165 intake (hollow stem) 1.590 exhaust (solid stem)
Compression Ratio: 10.3:1 (nominal)
Rocker Arms: Investment cast, roller bearing trunnion
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Premium pump
Maximum Recommended rpm: 6,800
Reluctor Wheel: 24X
• Assembly does not include any electronics
• Engine is compatible with a vehicle’s existing Gen III controller, but tuning is required
• Includes LQ9 oil pan
• Requires intake manifold matched to LS3- or L92-style rectangular intake ports
• LS3 or L96 production intake manifolds can be used, but require an aftermarket adapter plate for use with early LS three-bolt throttle bodies
• Not intended for marine applications
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