For 5000 to 8500 RPM high-performance engines. Designed with drag racer Billy Glidden. For all-out nitrous assisted drag racing. Uses large 3.2 square-in runners. Use with Edelbrock or GM 18 degree heads. Carburetor mounting flange for 4500 series carburetor. Both plenum and carburetor pad need blending and porting. Includes nitrous bosses and runners. Product Features:For 5000 to 8500 RPM High-Performance EnginesDesigned with Drag Racer Billy GliddenFor All-Out Nitrous Assisted Drag RacingUses Large 3.2 square-in. RunnersUse with Edelbrock or GM 18-degree HeadsCarburetor Mounting Flange for 4500 Series CarbBoth Plenum and Carb Pad Need Blending/PortingIncludes Nitrous Bosses on Runners
