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Speedmaster serpentine belts are designed to keep your accessory drive operating properly
The Speedmaster shift selector shaft is built with sturdy
Manufactured from cast aluminum
Dual distributor holddowns
Silicon aluminum is the choice for many of today's engine manufacturers because of its high fatigue strength and superior temperature threshold
5/16" Base To 7/16" Rocker Stud Set +0.500 Longer Late Ford Head Applications Speedmaster serpentine belts are designedSpeedmaster arm stud kits are made of 4140 Chromoly steel. They're roll threaded, heat treated to a maximum strength of 190,000+ PSI. and have a black oxide corrosion resistant finish. They feature larger radius stud fillets for extra strength.
