Top End Kit Compatible with Big Block Chevy 396/402/427/454/496/502 - Assembled Cylinder Heads, Intake Manifold, Roller Rocker Arms, Valve Covers (Camshaft Not Included)

[BOLT-ON TOP END POWER] Matched top-end kit for Big Block Chevy 396/402/427/454/496/502 - heads built around a hydraulic flat tappet camshaft for a 50-100+ HP gain over stock when paired with a properly matched cam. Heads, intake, and rockers engineered to work together.

[FITS Big Block Chevy 396/402/427/454/496/502] Designed for standard-deck short blocks and a hydraulic flat tappet camshaft (camshaft sold separately). Verify piston-to-valve clearance with your chosen cam. Tune required for best results.

[COMPLETE TOP END] Includes assembled cylinder heads (pair), roller rocker arms, single plane intake manifold, valve covers, valve springs, retainers, and valve stem seals, and intake manifold gasket set.

[HEAD, INTAKE & ROCKER MATCHED] Head port flow, intake runner design, and rocker ratio selected to complement each other for balanced top-end airflow - removes the guesswork of mixing mismatched components.

[WHAT YOU STILL NEED] hydraulic flat tappet camshaft, lifters, pushrods, carburetor, distributor, exhaust headers, harmonic balancer, and tune. Short block, oil pan, and accessories not included.