Chevrolet Performance LS3 525 HP Crate Engines Chevrolet Performance LS3 525 hp long block crate engines blend the racing-derived ASA camshaft with the LS3 6.2L production engine to create a serious contender – delivering 525 horsepower at 6,300...

Dipstick, Dipstick Tube, and Steam vent pipe do not come with Long Block engines and can be purchased below if using the included oil pan THE HOT CAM ADDS HEAT TO THE LS3Our engineers took a production LS3 6.2L (376 cubic inches) and swapped the stock...

Starting with the '08 Corvette, the world was first introduced to GM's latest small block V8 creation the 6.2-liter LS3. A continuation of the industry leading V8 engines from GM Powertrain, the LS3 kicks out 430 horsepower and 424 lb.-ft. of torque. (In...

Forged LSA Short Block with Thompson Rotating Assm, Thompson Motorsports (PICTURE IS FOR REFERENCE ONLY) LSA with TMS forged rotating assembly and Diamond forged pistons GM LSA Block GM LSA Crankshaft 8 Bolt Factory Forged King racing...

6.2 LS3 376/416 Short Block Fully Forged 900HP, Thompson Blue printed New LS3 aluminum block Gen IV ACL coated racing main bearings King racing narrowed rod bearings Thompson Motorsports single piece racing cam bearings  K1 forged...

6.2 Aluminum LS3 Short Block w/ Forged Pistons 800HP, Thompson Blueprinted NEW GM block 6.2 LS3 ALUMINUM King racing main bearings  King racing rod bearings  GMPP cam bearings New GM 6 bolt nodular crankshaft K1 4340 forged...

6.2 Aluminum LS3 Short Block w/ Forged Pistons 700HP, Thompson Motorsports Blueprinted NEW GM LS3 ALUMINUM Block King racing main bearings King racing rod bearings GMPP cam bearings GM connecting rods TMS manufactured cores GM...