Description: Vitamins for your big block Chevy. World Products' dual plane Merlin intake manifolds can give big block Chevys a real boost for street or strip use. They have notched plenum dividers and ribbed plenum floors to juice up bottom-end torque, and provide balanced cylinder firing above 4,000 rpm. Their 180 degree design relies on a 4150 carb to produce serious power(more)

Description: Vitamins for your big block Chevy. World Products' dual plane Merlin intake manifolds can give big block Chevys a real boost for street or strip use. They have notched plenum dividers and ribbed plenum floors to juice up bottom-end torque, and provide balanced cylinder firing above 4,000 rpm. Their 180 degree design relies on a 4150 carb to produce serious power from idle to 6,500 rpm, along with excellent throttle response. Dual Plane Merlins are available for oval or rectangular port heads, on blocks with 9.8 in. deck height. (minimize)