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Chevrolet Performance Big-Block crate engines are all about uncompromising torque. They deliver the pulling power to haul your vintage Camaro or Corvette down the drag strip, or to win the heavy weight tractor pull at the fairgrounds! Use our classic ZZ427, ZZ454, ZZ502 or even the ZZ572/720R to turn your Chevy into a drag strip winner! No matter the vehicle, the Big-Block’s bottom line is torque.
The legendary L88 was the pinnacle of Chevy’s Big-Block power and the ZZ427/480 crate engine carries modern updates that enhance performance, making it the ultimate expression of Chevy heritage for your classic Corvette. Our ZZ427/480 combines a sturdy iron cylinder block with lightweight aluminum cylinder heads and a single four-barrel carburetor.
The budget big-block performer, Chevrolet Performance’s 454 HO crate engine offers strong Big-Block torque—500 lb.-ft.—to fit almost any builder’s budget. The foundation is a brandnew, updated cylinder block, which incorporates many strength and performance design enhancements to make it a smart and economical alternative to rebuilding.
An additional build option for those who want the strength and convenience of our 454 bottom end, including its updated block design and modern roller camshaft, but want to add your own heads and induction system, start with our 454 Partial Engine assembly. It’s a strong foundation for Big-Block desired performance.
Our engineers took the tough 454 HO and matched it with a set of higher-flow, oval-port aluminum cylinder heads to pick up an additional 30 horses and push the torque to a strong 519 lb.-ft. The heads are filled with 2.19/1.88-inch valves that process the airflow through this big-power Big-Block and save weight over iron heads.
When it comes to repowering your trusted Big-Block-powered pulling truck, don’t bother with the time it takes for rebuilding, when Chevrolet Performance’s HT502 offers an affordable, durable and powerful alternative. It is built with a brand-new, latest-generation cylinder block with four-bolt main caps and features an all-forged rotating assembly for strength.
Additional build option similar to the HT502 and 502 HO engine assemblies. Includes a brand-new four-bolt block and forged rotating assembly, but delivered without the cylinder heads. Assembly includes the balancer, oil pan and timing gear set. You add the carburetor, starter and ignition system—all available from Chevrolet Performance.
Affordable big-block performance, whether you use it for your drag car or pulling truck, the value-driven 502 HO crate engine offers affordable performance. It’s rated at 461 horsepower and 558 lb.-ft. of torque, for pulling power that exceeds anything ever offered from Chevrolet’s production Big-Block engines. It’s real power that only comes from a Big-Block!
The ZZ502/502 is one of the industry’s benchmark crate engines, offering excellent value with a proven combination of performance and all-forged durability that is suitable for the strip or packed clay dirt pullers. With more than 500 horsepower and an amazing 580 lb.-ft. of torque, it will grab your attention!
The ZZ572/620 Deluxe is the ultimate expression of Chevrolet Performance’s engineering capability, wrapped up in a soul-stirring combination of performance and attitude. We build the ZZ572 with huge 4.560-inch bores and a 4.375-inch stroke to help it deliver 621 horsepower and a stunning 645 lb.-ft. of torque.
An additional build option, this long-block assembly is based on the ZZ572/620 Deluxe and includes the cylinder heads, oil pan, front cover and flexplate with distinctive orange powder-coated valve covers. The induction system, water pump, distributor and additional accessories must be added to complete the engine.
With 727 horsepower and 680 lb.-ft. of torque, the amazing ZZ572/720R is capable of pulling your bracket racer or gasser drag car down the drag strip. We deliver it fully assembled. You simply bolt on the included Dominator-style 1150-cfm carburetor, along with a starter and fuel pump (not included) and you’re ready to go
Chevrolet Performance’s ZZ632 take the legendary Big-Block to all-new thresholds of displacement performance. It has an incredible 1004HP and 876 lb.-ft. of torque on 93 octane pump gas, it’s also the most powerful.