Holley Tall Valve Covers - 2-Piece - Black - GM LS-Series (Pair) 42082BK An additional air deflector is

An additional air deflector is required when switching from 2 barrel to 4 barrel carburetors

New Body Style

1996-1999 Ford Econoline Super DutyVehicle Applications: 2003-2006 Ford E-150

1973-1974 Chevrolet C20 Pickup 4

Block mount to fan hub dimension is 5-5/8"

Holley Tall Valve Covers - 2-Piece - Black - GM LS-Series (Pair) 42082BK An additional air deflector isHolley's 2 Piece LS valve covers are a great way to update the look of your LS engine without the use of complicated adapter systems or the hassle of remote coil relocation. These modular LS valve covers feature an OE height, internally baffled LS valve cover base with integrated coil mounts for popular Gen I and Gen V style LS coil bodies, and a Ford style overcover that hides the unsightly LS coils and messy wiring harness allowing the full