Crate Engines

Based on the value-driven 350 HO crate engine, Chevy’s engineers swapped the flat-tappet camshaft for a hydraulic roller and added the latest Small-Block intake manifold design. Together, they help build more power across the rpm band – 357 horsepower and 407 lb.-ft. of tire-turning torque. | The SP350/357 leverages the strength of a strong rotating assembly secured in a brand-new block with four-bolt mains, along with economical Vortec iron cylinder heads. It’s a durable assembly designed to offer years of highperformance excitement at an excellent value. | The SP350/357 Deluxe package includes the intake manifold, distributor, damper and flexplate | Chevrolet Performance Crate Engines include a 24-month or 50,000-mile/80,000-kilometer limited warranty.

333 hp and a satisfying 381 lb.-ft. of torque. It’s affordable power with dependability you can count on | A cast-iron block with four-bolt main caps is the foundation for the 350 HO | Topped with iron Vortec heads fitted with 1.94/1.50-inch valves | Rotating assembly has aluminum pistons delivering a 9.0:1 compression ratio | Hydraulic flat-tappet camshaft requires no periodic lash adjustments

The SP350/357 leverages the strength of a strong rotating assembly secured in a brand-new CNC Machined block with four-bolt mains | Economical Vortec iron cylinder heads | A roller camshaft optimizes drivability and airflow capability | It all adds up to a 24-horsepower gain over our 350 HO crate engine – and a great, affordable alternative to rebuilding. | 1-piece rear main seal

The Chevrolet Performance CT350 circle track crate engine delivers competitive and durable power at an economical price, and now Speedway Motors Racing Engines is offering them as a dressed & dyno-verified package that is ready to race! Designed for circle track's weekend warriors, this bullet-proof 350-horsepower, 350-cubic-inch IMCA-sealed racing crate engine (often referred to as…

400 HP @ 5500 RPM | 400 Ft lbs. Torque @ 4500 RPM | CNC Machined Block | Popular in Late Models, Modifieds, and other classes | Comes Complete Intake to Pan

IMCA sealed and approved for use in IMCA | Dyno-verified horsepower and torque and will include a dyno sheet of your engine | 400 HP @ 5500 RPM 400 ft. lbs. of torque @ 4500 RPM | Piston rings are broken-in using a proprietary dyno program to ensure proper ring seal which increases horsepower | Lifter preload and timing are set prior to break in procedure for race ready performance right out of the crate

Track-tested durability | Great mid-range power | Best horsepower value around | Comes sealed with IMCA issued bolts and is approved for use in IMCA | Popular in Hobby Stock, Factory Stock, Street Stock, Sport Modified, and Truck classes*

High-revving matched components | A fraction of the price of a custom engine | Sealed with IMCA-issued bolts and is approved for use in IMCA | Popular in Modified and Late Model classes* | 400 HP @ 5500 RPM