Excellent value for a high-performance LS upgrade or new build
Exceptional horsepower and broad torque band
Easy retrofit into older LS-equipped vehicles
Fuel injection capable
Transfer your previous induction components or custom build \u2013 your choice!
The engine family commonly called the LS series debuted in 1997. General Motors called it the Gen-III Small-Block, with the iron-block versions in trucks and the all-aluminum LS1 introduced in the then-new C5 Corvette. GM has continued to refer to its modern V-8 engine family as Gen III and Gen IV, but to the enthusiasts who quickly grasped the tremendous performance potential of the engines, every engine of the platform is nicknamed \u201cLS.\u201d<\/p>\n
Chevrolet Performance is committed to providing proven, innovative performance technology that is truly\u2026. more than just power. Chevrolet Performance Parts are engineered, developed and tested to exceed your expectations for fit and function.<\/p>\n
This long block uses an engine control system based on a 24X crankshaft trigger and a 1X camshaft trigger system that was used on Chevrolet Gen III small-block V8 engines from 1997 thru 2006. For most customers, this will be a replacement for an existing application using a Gen III engine. This will allow the customer to transfer many of the sensors, exhaust system, engine mounts, etc. from the current vehicle to this long block. This long block uses the higher flowing rectangular cylinder head intake ports which were not available for Gen III engines. These heads were used on Gen IV LS3 engines. A new intake manifold will be required from a Gen IV truck or car that used a rectangular intake port. Most 6.0-6.2 Liter Gen IV intake manifolds use this type of rectangular intake port.<\/p>\n
Specs<\/p>\n
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): 204\u00b0 intake \/ 218\u00b0 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
Balanced: Internal<\/p>\n<\/div>\n<\/div>\n
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