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not only does this improve performance
Their strong die-cast aluminum design ensures an excellent gasket seal and dissipates heat better than many other covers
Speedmaster has redesigned the power gear sets to incorporate four pinion gears--unlike a stock 3-pinion style--to increase their load-handling characteristics
and extended high gear splines to the oil ring
Speedmaster only offers planetary gear sets which provide superior torque output for modern high-output motors
Mopar Chrysler BB 383 440 1.6 Ratio Stainless Steel Roller Rocker Arm Set Shafts not only does this improveSpeedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings or bushes and roller tips. For extreme high performance applications. They not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. These rockers are precision machined to ensure consistency and ratio accuracy and have a great
