The MST Serpentine Pulley System is famous for reliability, consistency, and overall quality – all while making your engine look amazing! This system delivers a slight horsepower improvement by reducing belt slip and delivering more cooling to your engine than the standard V-belt setup. You will love how much quieter your engine runs, too!

Available in a variety of anodized colors including, Black, Blue, Silver, Red, and Lime Green. Get your MST Excalibur Serpentine System today and match it up with our other great products to get that custom look across your entire engine.

Your Excalibur Serpentine Pulley System Kit includes:

  • Crank Pulley (with CNC-Machined Timing Marks)
  • Alternator/Generator Pulley
  • Idler Bracket Assembly with Bearing
  • Custom Stainless Steel Crank Bolt and Alternator/Generator Nut
  • 4-Rib Belt
  • Mounting Hardware
  • SCAT Sand Seal
  • Billet Aluminum Sand Seal Adapter with Hardware
  • Installation instructions

Additional information

Weight 5.5 lbs
Dimensions 8 × 8 × 4 in
Color Choices

Black, Blue, Red, Silver, Lime Green, Orange, Ocean Blue, Kelly Green, Purple


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