Our Hotrod series engines are the perfect choice for someone building a custom hotrod, old muscle car, or replacing that tired old factory engine in your late model GM vehicle.
We have used our Hotrod LS3 shortblock in 500whp NA setups or in boosted setups up to the 700whp mark.
HotRod Series LS3 Shortblock
Bore: 4.065"
Stroke: 3.622"
Connecting Rod Length: 6.089"
Displacement: 6.2L / 376c.i.
Piston Volume: 0cc Flat tops
Compression Ratio: 10:7 with 68cc LS3 Heads
Horsepower Rating: Up to 700whp
Engine Block: New Aluminum LS3 Block
Crankshaft: New Gen 4 58x OEM Crankshaft
Pistons: Hypereutectic with and coated skirts.
Connecting Rods: Reconditioned Gen 4 OEM connecting rods.
Main Fasteners: New GM Main Bolts
Main Bearings: King XP-Series Race Bearings
Rod Bearings: King XP-Series Race Bearings
Cam Bearings: Durabond one piece bearings
HotRod LS3 Shortblock
Select the 58x for any Gen 4 configuration engines or if you are swapping this engine into an older Gen 3 configuration vehicle you can select the 24x option.