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March Big Block Chevy Performance Serpentine Conversion Pulley Kits

March Performance
March Big Block Chevy Performance Serpentine Conversion Pulley Kits

The March Performance Ultra Serpentine Kits replace low-performance V-belts, pulleys and brackets while retaining a standard rotation long water pump. Simple to bolt on, these kits eliminate belt throwing. Available with high water flow ratios for improved cooling or performance pulleys for increased horsepower (approximately 12 HP). CNC-machined from solid billet 6061-T6 aluminum and then powdercoated clear for a perfect fit, extra strength, and maintenance-free finish!

  • Most mid and full size cars from the early 1950s and newer
  • 9.800'' Deck Height Only
  • Tall Decks Require: 655-20128
  • For other vehicles, check clearance from water pump nose to radiator; long water pumps extend 8.5" from engine block

    Kits include:
  • Crank pulley
  • Water pump pulley and nose cover
  • Alternator pulley, fan, and nose cover
  • Stainless steel tensioning rod and chrome moly end
  • Mounting hardware
  • Air Conditioning Kits include A/C bracket, idler and nose cover
  • Power Steering Kits include power steering bracket & pulley

  • 2 Products
    High Water Flow Pulley Kits

    Ultra Series High Water Flow Pulley Kit
  • Alternator Drive only
  • $444.99
    Performance Pulley Kits

    Ultra Series Performance Pulley Kit
  • Alternator Drive Only
  • $377.99

    2 Products