Moroso Aluminum Exhaust Port Blockoff - 4.5 in Bore Spacing - CFE SBX Heads - Small Block Chevy (Pair) 300-717BK Pump or draw (siphon) up

Pump or draw (siphon) up to 8 gallons per minute with the FLO-FAST pump

24" x 18" x 10"

1987-1987 GMC V2500 Suburban

Performer High-Compression

1 Key and Key Storage Pouch

Moroso Aluminum Exhaust Port Blockoff - 4.5 in Bore Spacing - CFE SBX Heads - Small Block Chevy (Pair) 300-717BK Pump or draw (siphon) upProduct Description: Exhaust Port Blockoff 1 Piece 4. 5 in Bore Spacing Aluminum Natural CFE SBX Heads Small Block Chevy Pair Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 3000 products, from Moroso oil pans and Moroso oiling systems, to Moroso ignition wire, Moroso ignition components, Moroso valve covers, Moroso fuel system