Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components Product Features:Superior ratio accuracySignificant horsepower gains possibleAnodized for corrosion resistance & professional appearanceRocker body precision machined from solid extruded aluminum barAluminum roller rocker (ideal for racing & high output street driven vehicles)Hardened & precision machined steel roller tip on high strength steel axle (minimizes guide friction)
