12 Point 7/16" 1900-2000 Connecting Rod Bolts (16 Pcs) These Speedmaster supercharger manifolds are

These Speedmaster supercharger manifolds are aluminum constructed and suitable for competition or street use

As the horsepower in your performance vehicle goes up so does the strength of the read end housing

made from 4340 round bar to exact tolerances

while also enhancing its appearance

durable upgrade for the front of your engine

12 Point 7/16" 1900-2000 Connecting Rod Bolts (16 Pcs) These Speedmaster supercharger manifolds areSpeedmaster connecting rod bolts are precision CNC machined to exacting specifications and designed for optimum reliability. They are heat treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high combustion engines.