the zero drop kit positions the arm at the center line of the adjuster for additional ground clearance
Its -12AN fittings allows for simple and clean connection to your transmission or engine oil lines
To find your particular application
1990-1991 GMC R1500 Suburban
Edelbrock Performer Series Cast-Iron Exhaust Crossover Plugs - Oldsmobile Piston Rod the zero drop kit positionsExhaust crossover plugs are designed mainly for use in marine or off road applications. They are made of cast iron and install into the exhaust crossover without any modifications. Edelbrock, Performance, Olds, 2733, Crossover Plug, Cast Iron Plug, Oldsmobile, Block off, Heat Crossover, Exhaust PlugSince 1938, Edelbrock has been committed to making the finest high performance products in the industry. The famous Edelbrock Intake Manifold, Edelbrock