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Chevrolet Performance 19434638 GM LS376/480 Crate Engine

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Chevrolet Performance 19434638 GM LS376/480 Crate Engine

An LS3 with a hot cam Our engineers took a production LS3 6.2L (376 cubic inches) and swapped the stock camshaft for the racing-inspired LS Hot Cam (P/N 88958753). Hot Performance The LS3 delivers a stunning 495 horsepower and 473 lb.-ft. of torque. That's nearly 14 percent more power and torque. The key to the power boost is the Hot Cam's 0.5…

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An LS3 with a hot cam Our engineers took a production LS3 6.2L (376 cubic inches) and swapped the stock camshaft for the racing-inspired LS Hot Cam (P/N 88958753). Hot Performance The LS3 delivers a stunning 495 horsepower and 473 lb.-ft. of torque. That's nearly 14 percent more power and torque. The key to the power boost is the Hot Cam's 0.525-inch lift on both the intake and exhaust sides, along with 219-degree/228-degree duration specs.That's less lift on the intake side than the stock LS3 cam, but considerably more duration, allowing the valves to stay open longer to draw in more air from the rectangular-port L92-style heads. LS376-480 Tech Specs Part Number: 19434638 Engine Type: LS-Series Gen-IV Small-Block V-8 Displacement (cu. in.): 376 (6.2L) Bore x Stroke (in.): 4.065 x 3.622 (103.25 x 92 mm) Block (P/N 12623967): Cast-aluminum with six-bolt, cross-bolted main caps Crankshaft (P/N 12597569): Nodular iron Connecting Rods (P/N 12649190): Powdered metal Pistons (P/N 19207287): Hypereutectic aluminum Camshaft Type (P/N 88958753): Hydraulic roller Valve Lift (in.): .525 intake / .525 exhaust Camshaft Duration (@.050 in.): 219° intake / 228° exhaust Cylinder Heads (P/N 12629063): Aluminum L92-style port; "as cast" with 68-cc chambers Valve Size (in.): 2.165 intake / 1.590 exhaust Compression Ratio: 10.7:1 Rocker Arms (P/N 12569167 int): Investment-cast, roller trunnion Rocker Arms (P/N 10214664 exh): Investment-cast, roller trunnion Rocker Arm Ratio: 1.7:1 Recommended Fuel: Premium pump Maximum Recommended rpm: 6600 Reluctor Wheel: 58X Balanced: Internal

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Description

An LS3 with a hot cam Our engineers took a production LS3 6.2L (376 cubic inches) and swapped the stock camshaft for the racing-inspired LS Hot Cam (P/N 88958753). Hot Performance The LS3 delivers a stunning 495 horsepower and 473 lb.-ft. of torque. That's nearly 14 percent more power and torque. The key to the power boost is the Hot Cam's 0.525-inch lift on both the intake and exhaust sides, along with 219-degree/228-degree duration specs.That's less lift on the intake side than the stock LS3 cam, but considerably more duration, allowing the valves to stay open longer to draw in more air from the rectangular-port L92-style heads. LS376-480 Tech Specs Part Number: 19434638 Engine Type: LS-Series Gen-IV Small-Block V-8 Displacement (cu. in.): 376 (6.2L) Bore x Stroke (in.): 4.065 x 3.622 (103.25 x 92 mm) Block (P/N 12623967): Cast-aluminum with six-bolt, cross-bolted main caps Crankshaft (P/N 12597569): Nodular iron Connecting Rods (P/N 12649190): Powdered metal Pistons (P/N 19207287): Hypereutectic aluminum Camshaft Type (P/N 88958753): Hydraulic roller Valve Lift (in.): .525 intake / .525 exhaust Camshaft Duration (@.050 in.): 219° intake / 228° exhaust Cylinder Heads (P/N 12629063): Aluminum L92-style port; "as cast" with 68-cc chambers Valve Size (in.): 2.165 intake / 1.590 exhaust Compression Ratio: 10.7:1 Rocker Arms (P/N 12569167 int): Investment-cast, roller trunnion Rocker Arms (P/N 10214664 exh): Investment-cast, roller trunnion Rocker Arm Ratio: 1.7:1 Recommended Fuel: Premium pump Maximum Recommended rpm: 6600 Reluctor Wheel: 58X Balanced: Internal

Specifications

Capacity	376 cu. in.
Engine Capacity	376 cu.in.
Bore Size	4.065 in.
Engine Power	495 horsepower and 473 lb.-ft of torque
Cylinder Count	8
Engine Make	Chevrolet
Brand	Chevrolet Performance
Engine Condition	Crate
Engine Fuel Type	Premium pump
Compression Ratio	10.7:1
Duration	219° intake / 228° exhaust
Engine Size	376 cu.in.
Bore Diameter	4.065 in.
Engine Cylinder	8
Engine Brand	Chevrolet Performance
Balancing	Internal
Engine Family	LS-Series
Compatibility with Engine Type	LS-Series Gen-IV Small-Block V-8
Compatibility with Engine Model	LS3 6.2L
Engine Code	LS376/480
Bolt Pattern	Six-bolt, cross-bolted main caps
Engine Configuration	V-8