Made in USA
Ultra Series Extra High Mid-Mount Serpentine Belt Kit for Big Block Chevy
InfoVehicle Info Needed
MARCH PERFORMANCEPART NUMBER: 655-23053

Ultra Series Extra High Mid-Mount Serpentine Belt Kit for Big Block Chevy

$70500
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High Water Flow Pulley Kits
    Ultra Series Extra High Mid-Mount Serpentine Belt Kit
  • Big Block Chevy
  • High Water Flow Pulley Ratio
  • GM 6-12 O'clock Alternator Mounting
  • 6 in. or 7 in. Diameter Alternator
  • Long Water Pump
  • Saginaw Keyway Power Steering

    AlternatorWater PumpSaginaw Keyway
    P/S Pump

    Saginaw Press
    Fit P/S Pump

    Alternator
    Belt Size
    P/S Belt Size
    YesYes Yes - 42.5'
    6 Rib

    39.5'
    5 Rib


  • P/S Nose Cover Included
  • Uses Gates alternator belt #465-K060420
  • Uses Gates power steering belt #465-K050385

The March Big Block Chevy Ultra series Mid-Mount Serpentine Conversion is simple yet exceptionally styled! A new higher mounted power steering pump bracket helps clear the steering gear box in some vehicles. These kits retain your standard rotation water pump. Each bracket and pulley is made from CNC machined 6061-T6 billet aluminum for a spectacular looking machine finish with perfect fit and extra high strength. Kit comes complete with stainless steel tensioning rod, chromoly rod ends and necessary mounting hardware!

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Kit Includes:

  • Crank Pulley
  • Water Pump Pulley with Nose Cover
  • Alternator Bracket with Relocation Arm & Adjustment Rod
  • Alternator Pulley with Alternator Fan & Nose Cover

Power Steering Kit Adds:

  • Brackets & Pulley with Nose Cover
Part TypePulley Kit
Product LineMarch Big Block Chevy Ultra Series Mid-Mount Serpentine Conversion
BrandMARCH PERFORMANCE
Package Height10.3
Package Width10.6
Package Length12.1
Weight11.24 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Idler Brackets IncludedNo
Idler/Tensioner IncludedNo
Air Conditioning Bracket IncludedNo
Crankshaft Pulley Grooves6-groove, serpentine
Alternator Pulley IncludedYes
Alternator Nose Cover IncludedYes
Water Pump Pulley Grooves6-groove, serpentine
Bracket MaterialBillet aluminum
Pulley Set StyleHigh water flow ratio
Crankshaft Nose Cover IncludedNo
Water Pump Pulley IncludedYes
Alternator Brackets IncludedYes
Power Steering Pulley AttachmentKeyway
Pulley StyleSerpentine Pulley
Pulley FinishClear powdercoated
Crankshaft Pulley IncludedYes
QuantitySold as a kit
Power Steering Brackets IncludedYes
Alternator Pulley Grooves6-groove, serpentine
Air Conditioning Cover IncludedNo
Air Conditioning Pulley IncludedNo
Power Steering Pulley IncludedYes
Alternator Fan IncludedYes
Power Steering Pump StyleSaginaw
Power Steering Pulley Grooves6-groove, serpentine
Idler Cover IncludedNo
Part FitmentSemi Universal
Bracket FinishClear powdercoated
Pulley MaterialBillet Aluminum
Water Pump Nose Cone IncludedYes
Vendor Part Number23053
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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