Our HT502 crate engine is an affordable alternative with more power than our factory-installed Big-Block, producing a whopping 541 lb.-ft. of trailer-tugging torque.
The HT502 is uniquely suited to pre-1978 trucks, but is adaptable to a variety of applications, and it’s built with our latest generation block casting with four-bolt main caps. An all-forged rotating assembly delivers exceptional strength and durability.
Find everything from vital data about your engine’s capabilities to how to install it into your build.
Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance Parts may not meet Federal Motor Vehicle Safety Standards and emissions regulations and should not be operated on public roads. Chevrolet Performance customers are responsible for ensuring their use of Chevrolet Performance complies with applicable federal, state, and local laws, regulations, and ordinances. Many parts intended for racing or other “off-highway” use are not designed or tested for crashworthiness or to meet the safety needs of the motoring public, and may adversely affect the original intended performance or handling characteristics of the vehicle. These parts are designed and intended to be used with experts supervising their installation and use, to help assure the proper and safe operation of the vehicle.