Chevrolet Performance 7.0L LS7 Crate Engine

LS7 7.0L Performance Crate Engine

P/N 19329246

505 hp @ 6,300 rpm / 470 lb.-ft. @ 4,800 rpm

LS7 7.0L Tech Specs:
Engine Type: LS-Series Small-Block V-8
Displacement (cu in): 427 (7.0L)
Bore x Stroke (in): 4.125 x 4.000 (104.8 x 101.6mm)
Block (P/N 12602689): Cast-aluminum with 6-bolt steel main bearing caps
Crankshaft (P/N 12611649): Forged steel
Connecting Rods (P/N 12661677): Forged titanium
Pistons: Hypereutectic aluminum
Camshaft Type (P/N 12638426): Hydraulic roller
Camshaft Lift (in): .591 intake / .591 exhaust
Camshaft Duration (@.050 in): 211° intake / 230° exhaust
Cylinder Heads (P/N 12578449): CNC ported LS7-style ports 70cc
CNC combustion chambers
Valve size (in): 2.200″ titanium intake, 1.610″ sodium-filled exhaust
Compression Ratio: 11.0:1
Rocker Arms: Investment-cast, roller trunnion
Rocker Arm Ratio: 1.8:1 (offset, intake only)
Recommended Fuel: Premium Pump
Maximum rpm: 7,000
Reluctor Wheel: 58x
Balanced: Internal

Recommended Transmission: SuperMatic™ 4L70-E Four-Speed Automatic P/N 19299055

Installation Notes:
– Assembly does not include any electronics
– Use LS7 Controller Kit P/N 19354334 for engine operation. Kit includes electronic throttle pedal, which is required for throttle input to the ECU
– Comes assembled with 14″ Corvette Z06 168-tooth manual transmission flywheel
– LS7 is the same size and mounts the same as other LS-Series engines
– Includes Corvette dry sump oil pan – requires production or aftermarket oil lines and oil tank (not included)
– Use oil hose adapters P/N 25534412 to adapt to AN -12 fittings
– Intended for pre-1976 street vehicles or any off-road vehicle
– Not intended for marine applications