Manufactured as an aluminum version of the LM7, the L33 small block V8 engine, also known as the Vortec 5300 HO, was designed for use as a V8 truck engine. The 5.3 L L33 was featured in mid-2000’s vehicles such as the Chevrolet Silverado and GMC Sierra. Often sought after by the industry aftermarket, the L33 can be found in classic street rods to muscle cars to even race cars as a late model engine swap. Whether you’re just upgrading one of these cars or building from the ground up, Speedway Motors carries all the aftermarket performance parts you need to fully equip your L33 engine. Be sure to turn to the folks at Speedway Motors, your one-stop shop for everything LS.