Aluminum Gilmer Drive Long Crank Pulley Only Silicon aluminum is the choice

Silicon aluminum is the choice for many of today's engine manufacturers because of its high fatigue strength and superior temperature threshold

These Speedmaster fuel pumps feature an improved design for street and strip applications

Speedmaster harmonic balancers are crafted from high-quality steel and feature a tuned elastomer for optimal engine performance

Designed for precision fitment and easy installation

Aluminum Gilmer Drive Long Crank Pulley Only Silicon aluminum is the choiceSpeedmaster offers all the accessories you will need to find the proper configuration for your supercharger combination. Whether it's a new build or just general maintenance Speedmaster has what you need to get out on the road.