Moroso Exhaust Port Blockoff - 1-Piece - GM LS-Series (Pair) SPBS1 ATI Performance Products is the

ATI Performance Products is the creation of over 40 years of Transmission and performance component manufacturing and racing experience

Keeps rotating assembly free of unwanted oil to reduce horsepower robbing windage

1978-1981 Mercury ZephyrFits 1970-1982 Ford

yet soft material outside and optical cloth quality interior

dragsters or compact engines

Moroso Exhaust Port Blockoff - 1-Piece - GM LS-Series (Pair) SPBS1 ATI Performance Products is theProduct 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