DeWitts: 1966-67 GTO Auto, 25.5" x 17.5" Core, Direct Fit With A/C cars cutout Magnuson LT4 Z06 Corvette Magnum

Magnuson LT4 Z06 Corvette Magnum DI Supercharger Installation Manual PDF Integrated under-hood LT4 supercharger system

Inside of the supercharger manifold

Silver Spark Plugs provide many unique and beneficial characteristics

IDLE RPM - This parameter allows you the option to raise idle RPM of modified vehicles that need the extra speed to run the accessories

NorCal heat exchanger tank/ice box - not only adds 1

DeWitts: 1966-67 GTO Auto, 25.5" x 17.5" Core, Direct Fit With A/C cars cutout Magnuson LT4 Z06 Corvette MagnumPONTIAC GTO PRO SERIES (2 ROW 1. 00" TUBES) DeWitts Pro series aluminum radiators feature two rows of 1. 0" wide cooling tubes which provides a 25% increase in cooling performance. Our Direct Fit aluminum radiators feature factory type press formed end tanks, serpentine fins, and the factory type upper and lower channels. Each radiator core is assembled and brazed in our state of the art aluminum brazing furnace. DeWitts radiators are also epoxy free