Moroso Exhaust Port Blockoff - 1-Piece - GM LS-Series (Pair) 89401A 7-3/8 in Tall x 3-1/4

7-3/8 in Tall x 3-1/4 in OD

Applicable to street machines

Available for 4150-4160 & Dominator bowl & metering block

35-75psi (Works well with 11137 200lph up to 11101 A1000)To us

Chevrolet: Chevelle 68 - 72

Moroso Exhaust Port Blockoff - 1-Piece - GM LS-Series (Pair) 89401A 7-3/8 in Tall x 3-1/4Product Description: Exhaust Port Blockoff 1 Piece Aluminum Natural GM LS Series Pair Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard core racing tools, chassis and suspension equipment