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LS1 Engine

The LS1 engine produces approx 350 horsepower and 365 ft./lbs of torque and comes with block, crank, rods, pistons, cam, aluminum cylinder heads, water pump, intake manifold, injectors, cable throttle body, exhaust manifolds, balancer and flexplate.

LS1 Engine

Block type Cast aluminium, 6-bolt cross-bolted main caps
Displacement 346 (5.7L)
Bore x stroke 3.90 x 3.62 (99 x 92 mm)
Cam type Hydraulic roller
Cam duration .050 in 200 degree intake / 203 degree exhaust
Cam lift .500 intake / .500 exhaust
Rocker arm ratio 1.7:1
Valve size 2.00 intake / 1.55 exhaust
Compression ratio 10.25:1
Crankshaft Nodular iron
Pistons Hypereutectic aluminium