Description: Great racing power at a reasonable cost. GM Performance Parts brings us their "Factory Stock" Circle Track crate engines in the form of a 350 cu. in. HO with an approximately 9.1:1 compression, 350 hp at 5,000 rpm, and 390 ft./lbs. of torque at 3,800 rpm. These 4-bolt main engines have a recommended max rpm of 5,500. These are factory-sealed crate(more)

Description: Great racing power at a reasonable cost. GM Performance Parts brings us their "Factory Stock" Circle Track crate engines in the form of a 350 cu. in. HO with an approximately 9.1:1 compression, 350 hp at 5,000 rpm, and 390 ft./lbs. of torque at 3,800 rpm. These 4-bolt main engines have a recommended max rpm of 5,500. These are factory-sealed crate engine packages, complete with high-rise dual plane intake manifolds, stamped steel valve covers with racing-style breathers, and 8 quart single kickout circle track racing oil pans. Parts used in these engine assemblies are 4-bolt main/1-piece rear main seal blocks, nodular cast iron crankshafts, powdered metal connecting rods, and cast aluminum pistons. Installed camshafts are hydraulic flat tappet with .435 in. intake lift and .460 in. exhaust lift with a 212 degree open duration intake, and 222 degree open duration exhaust lobes at .050 in. ground with a 112.5-lobe centerline. Standard Morse link timing chains are installed. Cylinder heads are Vortec cast iron style with 64cc chambers, and 170cc intake runners with 1.94 in. intake valves and 1.50 in. exhaust valves. (minimize)