Powerflow LS Small Block Kit with Stainless Risers
Powerflow now offers a small block system. This system is designed after the big block kit using the same riser system. This system will increase your torque and horsepower by 10%. This is fully polished, too.
Powerflow manifolds are manufactured using the finest materials and most advanced techniques available. The high quality aluminum manifold castings feature water jackets that surround each exhaust passage, including the port, to eliminate the possibility of burn out. Features an external fitting to accept stock MerCruiser thermostat plumbing.