If you're looking for serious street/strip performance from your one-of-a-kind custom vehicle, then these Trick Flow® PowerOval® 280 Fast As Cast® top-end engine kits for big block Chevrolet engines are just what the doctor ordered. Featuring Trick Flow® PowerOval® 280 heads with 113cc combustion chambers, these top-end engine kits were designed to give your engine the best possible components for excellent low and midrange torque and horsepower. For serious pavement-pounding power, choose these Trick Flow® PowerOval® 280 Fast As Cast® top-end engine kits for big block Chevrolet. Top end kits include:* 2 Trick Flow® PowerOval® 280 cylinder heads* Trick Flow® Track Max® hydraulic roller camshaft with 0.600 in. of intake and exhaust valve lift* Hydraulic roller lifters* Chromoly pushrods* Roller rocker arms with a 1.7 ratio* Billet steel timing set* Cylinder head bolts* Gasket set