Edelbrock Single Perf SBC 64cc Head Comp

The Edelbrock #60909 Performer cylinder head is designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. This cylinder head includes your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports. A Complete head includes larger-than-stock 1.46" valve springs to handle most high-lift cams. This head retains the stock intake port location for compatibility with standard manifolds and headers. Heat crossover is machined for 50-state emissions legal performance. The Edelbrock #60909 Performer Cylinder Heads are designed for 302-400 cid small-block Chevy engines up to 1986. These cylinder heads include your choice of 64cc or 70cc combustion chambers and high flow intake and exhaust ports. Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• Retain Stock Compression Ratio