Long Tube Headers for 68-74 Mopar 273-360 LA Motor 1-5/8in Primary D453-B axles-and-parts 9L/L4 1991 - 1994 Mercury

9L/L4 1991 - 1994 Mercury Tracer 1

4x Copper Gaskets

Top Width: 1

4mm thick centerplate for added strength around the crankshaft

Designed primarily as a component of the Holley Stealth Ram/Commander 950 EFI system

Long Tube Headers for 68-74 Mopar 273-360 LA Motor 1-5/8in Primary D453-B axles-and-parts 9L/L4 1991 - 1994 MercuryOverview: 68 74 Various Chry SBM Long Tube Blck Ctd Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market. Features: 3 8" Thick machined flanges to prevent warping Precision formed long transition collectors and long tube design reduces