Notched plenum divider with ribbed plenum floor improves low rpm torque while balancing cylinder filling above 4000 rpm. TRUE oval port and rectangular port shapes are perfect matches for Merlin and OEM cynlinder heads. Provisions for water fittings. Provisions for between-port intake manifold bolts as found on OEM heads. All competition big block Chevy Engines.
Power band varies with displacement, cam, compression.
For best results use with Merlin Vr cylinder heads. Standard or tall deck. Cast nitrous bosses. Brass cooling jacket inserts are impervious to corrosion. For best results use with Merlin VR cylinder heads.