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Pro-Filer, Hitman, Spread Port Tunnel Ram Top Plate
Pro-Filer Hitman Spread Port Tunnel Ram Top Plate
The "Pro-Filer" Spread Port Long Runner Tunnel Ram Manifolds are a replica of the manifolds used on most Pro-Stock Engines. It features precision cast runners to eliminate porting as well as the best design to eliminate air flow restrictions. They have the perfect runner/plenum volume to maximize the power and acceleration curves of your engine. Lighter weight than most fabricated units. Fits most Chev BB spread port heads (12 degree and 18 degree) including Dart Big Chief, Brodix Big Duke and Pro-Filer Hitman.