Search results
When available these engine will have about a $1000 premium over a standard LM7 and are rated around 315-330HP. In comparison I can put a Z06 Cam & Valve Springs in a standard LM7 for +$700 and make around 360HP. The L33 is 80lbs lighter than a standard iron block Vortec.
Find CHEVROLET 5.3L/325 Crate Engines and get Free Shipping on Orders Over $109 at Summit Racing!
Find 2008 CHEVROLET 5.3L/325 Crate Engines and get Free Shipping on Orders Over $109 at Summit Racing!
Our Chevy GMC Vortec 5300 series engines arrive ready to replace or swap, exceeding vastly the original manufacture (OEM) specifications. Each Silverado 1500, GMC Sierra 1500, Denali, Envoy & Buick Rainer & Sabb 9-7X engine we produce is completely remanufactured – not rebuilt – to our exacting specifications.
If you're exploring options for GM engines, check out our guide on 6.2 LS crate engine options to understand horsepower differences and find the best fit for your project. Additionally, our comprehensive performance guide on 6.0 Vortec crate engines can help you maximize power and efficiency.
Today's LS327/327 crate engine delivers on the same virtues, cranking out 327 horsepower and 347 lb-ft of torque. It's a 5.3L LS power plant with the same 327-cubic inch displacement of the high-winding small blocks from the 1960s, but it is "breathed on" and updated by GMPP engineers with a hotter cam, Grafal-coated high-silicon pistons and more.
Universal Fit, Deluxe Crate Engine Crate Engine Type. This limited production 5.3L LS engine produces 475 horsepower and 435 ft-lb. of torque; This all-aluminum engine is known for its extra-thick cylinder sleeves; The flat top pistons are made from hypereutectic aluminum and connecting rods from powdered metal
