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Take the 18 degree power leap! Ideal for drag and high-rpm circle track racing, Trick Flow® Ultra 18® 250 cylinder heads make serious horsepower right out of the box. In fact, the heads deliver higher airflow numbers than fully prepped 23 degree small block Chevy heads. These heads feature Trick Flow CNC-profiled combustion chambers and CNC Competition Ported runners with a premium high resolution surface finish for maximum flow and performance. The heads accept most current 18 degree intake manifolds, headers, and other components. They require the use of offset shaft-mounted rocker arms and a mechanical roller camshaft with offset intake lifters. Trick Flow® Ultra 18® cylinder heads are available fully assembled or as bare castings and sold individually.
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$1,549.99
Trick Flow® Super 23® 215 cylinder heads give a huge performance boost to race-ready small block Chevy engines. Based on the proven Super 23® head design, the heads feature large, 215cc intake runners for more airflow in the mid and upper RPM range. Fast As Cast® ports deliver near-CNC-ported flow and performance for about the same price as regular cast heads—that means more power for less. Other features include angled spark plugs, raised valve cover rails, and extra-thick decks and walls for custom porting jobs. You can get Super 23® 215 heads with two valve spring packages for different camshaft types and power levels. The standard 453 lb. valve springs are perfect for most hydraulic roller cams. For more aggressive solid roller cam profiles, choose the optional 550 lb. valve springs for proper control at high RPMs. Cylinder heads are available fully assembled or as bare castings. Sold individually.
( 1 )
$1,054.99
Designed to provide even greater increases than World Products' own Sportsman II heads, the Motown 220 cylinder heads rate as the ultimate small Chevy cast iron heads. Features include high-tech 64cc combustion chambers, 220cc intake runners capable of excellent flow and velocity, high-flow ports, and standard 2.055 in. diameter intake valves. They're ideal for large-displacement small blocks (383 or larger), and are available in bare or complete assemblies with valves, retainers, screw-in studs, guideplates, and your choice of 1.440 in. or 1.550 in. valve springs.
( 1 )
$1,048.63
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