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There’s more to capturing the checkered flag than horsepower. Week after week and season after season, you need lasting performance—and that’s exactly what you can depend on with Chevrolet Performance Circle Track crate engines. Each is built with brand-new parts and our 350 engines feature blocks with fourbolt mains—a strength-enhancing feature you won’t find on most used blocks. Trust Chevrolet Performanceto deliver the durability you need to chase your racing dreams!
The CT350 is based on our popular 350 H0 high-performance street-class crate engine and features a strong four-bolt-main block and iron Vortec cylinder heads. A unique dual pattern camshaft helps deliver almost 400 lb.-ft. of torque between 2000 and 5500 rpm.
Chevrolet Performance’s high-revving CT400 racing crate engine uses aluminum Fast Burn cylinder heads with LS-style beehive valve springs to enable greater high-rpm performance and durability. They allow the engine to rev higher to make the most of every cubic inch of air drawn through it, helping it produce 404 horsepower at 5,600 rpm and 406 lb.-ft. of torque at 4,600 rpm.
The CT525 is based on the LS engine family and is similar to the 6.2L LS3 but it’s been adapted to circle track racing with a carbureted intake manifold, 6-quart racing oil pan and more. It’s a combination rated at 533HP at 6600rpm and a strong 477 lb.-ft. of torque at 5200rpm per Chevrolet Performance testing.