Edelbrock Manifold Torker Holden 308 CI V8 SatinEdelbrock part #2790 Torker 308 intake manifold is designed for Holden 253 304 308 c. i. d. V8 engines with Red motor cylinder heads only (with single bolt in center of manifold), will not fit on Blue Black cylinder head engines. The Torker 308 intake manifold is a single plane design and is recommended for street high performance and race engines operating between the 2500 to 6500 rpm range where low end torque is not required. Accepts square bore