Washable Element for Stack Injection Systems 4" Horns Side / Downdraft [3.75'] These Speedmaster aluminum water pump

These Speedmaster aluminum water pump pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 aluminum specifications and come in machined or polished finishes to suit your application

which are each sold separately

so it is not necessary to change to a 10 degree retainer

The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles

this pulley ensures optimal performance and efficiency for supercharged setups

Washable Element for Stack Injection Systems 4" Horns Side / Downdraft [3.75'] These Speedmaster aluminum water pumpFor use with cut velocity stacks, or straight pieces of exhaust tubing. Flat rubber bases with molded in velocity stack type radius and step for smooth bore down from element to tube.