Direct from the Corvette, Camaro, and Chevy SS to your Project Vehicle!
The LS3 6.2L is the 430-hp standard engine in the Chevrolet Camaro SS and the all new RWD Chevy SS. It is a fantastic combination of hightechnology and uncompromising performance. Our LS3 crate engine comes complete, from the Chevy SS-specific oil pan to the ignition system. It also includes the EFI intake manifold assembly with injectors and throttle body, exhaust manifolds, water pump, balancer, 58X reluctor wheel and 14-inch automatic-transmission flexplate.
Inside, the LS3 is filled with components designed for high performance and longevity. The aluminum block is filled with a sturdy reciprocating assembly that combines with L92-type rectangular-port heads to deliver a 10.7:1 compression ratio. A high-lift, hydraulic roller camshaft delivers a whopping 0.551-inch of lift on the 2.16-inch intake valves and 0.522-inch lift on the 1.59-inch exhaust valves, enhancing the LS3’s tremendous airflow and broad torque curve.
The Chevy SS oil pan doesn’t suit all installation applications. Use a vehicle-specific oil pan for original LS-powered vehicle or Chevrolet Performance’s Muscle Car Oil Pan Kit P/N 19212593 for older vehicles.
LS3 6.2l TECH SPECS
Part Number: 19301326
Engine Type: LS Series Gen IV Small Block V8
Displacement (cu in): 376 cu in (6.2L)
Horse Power: 430
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 12603844): Hydraulic Roller
Valve Lift (in): .551" Intake / .522" Exhaust
Camshaft Duration (@.050 in): 204° Intake / 211° 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
- Assembly does not include any electronics
- Use LS3 Controller Kit, P/N 19258270 for engine operation. Kit includes electronic throttle pedal, which is required for throttle input to the ECU (see page 205)
- 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 several configurations (see page 247 for application)