Our ‘Hot Cam’ Adds 50 hp to the Already Potent LS3!
Our engineers never stop tinkering. When they took a production LS3 6.2L (376 cubic inches) engine and swapped the stock camshaft for the racing-inspired LS Hot Cam (P/N 88958753), the result was a stunning 480 horsepower and 475 lb.-ft. of torque. That’s nearly 12 percent more power and torque from a simple camshaft change!

We wasted no time in adding that terrific combination – dubbed LS376/480 – to our crate engine portfolio. 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 a little longer to draw in more air from the rectangular-port L92-style heads.

Use the LS376/480 with controller kit P/N 19258267, which includes a special pedal for use with the engine’s electronically controlled throttle.

LS376/480 TECH SPECS
Part Number: 19301358
Engine Type: LS Series Gen IV Small Block V8
Displacement (cu in): 376 cu in (6.2L)
Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92mm)
Block (P/N 12623967): Cast Aluminum with 6-Bolt, Cross Bolted Main Caps
Crankshaft (P/N 12597569): Nodular Iron
Connecting Rods (P/N 12607475): 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 68cc 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: 92 Octane
Maximum Recommended rpm: 6,600
Reluctor Wheel: 58X
Balanced: Internal

INSTALLATION NOTES

• Assembly does not include any electronics
• Use LS376/480 Controller Kit, P/N 19258267 for engine operation. Kit includes electronic throttle pedal, which is required for throttle input to the ECU
• Includes Chevy SS wet sump oil pan
• Intended for pre-1976 street vehicles or any off-road vehicle
• Not intended for marine applications
• Front-end accessory drive kits are available in two configurations

Engine Specifications PDF