21250-07 Big Block Chevy Black Onyx Style Track Serpentine Kit (AC/PS/ALT)
InfoVehicle Info Needed
MARCH PERFORMANCEPART NUMBER: 655-21250-07

21250-07 Big Block Chevy Black Onyx Style Track Serpentine Kit (AC/PS/ALT)

$2,59000
ShippingShips on Sep 04, 2026
Lowest PriceLowest Price Guarantee

Big Block Chevy
  • Short Water Pump
  • Big Block Chevy Black Onyx Style Track Serpentine Kit
  • AC/PS/ALT

    March Performance 21250-07 Features:

    It has never been done better! March Performance new all billet aluminum Style Track serpentine system is created with a combination of style and low price that is sure to find favor among car enthusiasts everywhere. The highly styled one piece alternator and air conditioning bracket provides a rigid support for the alternator and a/c compressor a separate bracket allows the option of power steering or no power steering. Our larger diameter crank pulley aids in driving your alternator, a/c, and water pump at idle where it counts.

    Precision CNC machined from 6061-T6 aluminum for strength and perfect fit. These kits also include all the mounting hardware you’ll need and detailed instructions so installation is a snap. You can also forget about polishing this assembly, as it features maintenance-free Powder-Coating in clear, black, black onyx and also in chrome!

    • Kit includes short reverse-rotation aluminum water pump, 140 amp polished alternator, GM Type II Power Steering Pump, and Sanden 7176 air conditioning compressor.
    • 140 amp GM CS130 chrome alternator
    • Alternator pulley with fan and nose cover
    • Chrome Sanden 7176 a/c compressor
    • Aluminum reverse rotation short water pump and hard-coated pulley
    • Alternator and a/c brackets
    • Crank pulley (larger dia for better accessory drive)
    • Spring loaded pulley belt tensioner
    • Power Steering Pulley Grooves: 6-groove, serpentine
    • Power Steering Brackets Included: Yes
    • Quantity: Sold as a kit
    • Pulley Style: Serpentine
    • Air Conditioning Pulley Included: Yes
    • Alternator Amperage: 140
    • Alternator Pulley Included: Yes
    • Alternator Pulley Material: Aluminum
    • Alternator Pulley Color: Clearcoat
    • Alternator Fan Included: Yes
    • Alternator Brackets Included: Yes
    • Alternator Bracket Material: Aluminum
    • Alternator Bracket Color: Black Onyx
    • Air Conditioning Compressor Type: Sanden 7176
    • Air Conditioning Compressor Color: Chrome
    • Air Conditioning Bracket Included: Yes
    • Alternator Material: Cast aluminum
    • Air Conditioning Bracket Material: Aluminum
    • Air Conditioning Bracket Color: Black Onyx
    • Idler Included: Yes
    • Idler Brackets Included: Yes
    • Tensioner Included: Yes
    • Tensioner Cover Included: Yes
    • Hardware Included: Yes
    • Belt Included: No
    • Coating Type: Powdercoated
    • Finish: Gloss
    • Alternator Color: Chrome
    • Power Steering Bracket Color: Black
    • Crankshaft Pulley Included: Yes
    • Water Pump Pulley Grooves: 6-groove, serpentine
    • Crankshaft Pulley Material: Aluminum
    • Crankshaft Pulley Color: Clearcoat
    • Crankshaft Pulley Grooves: 6-groove, serpentine
    • Water Pump Material: Cast aluminum
    • Water Pump Color: Natural
    • Water Pump Style: Short
    • Water Pump Rotation: Counterclockwise
    • Water Pump Pulley Included: Yes
    • Water Pump Pulley Material: Aluminum
    • Water Pump Pulley Color: Clearcoat
    • Power Steering Pump Style: GM Type II
    • Power Steering Bracket Material: Aluminum
    • Power Steering Pump Color: Natural
    • Power Steering Pump Reservoir Included: No
    • Power Steering Pump Reservoir Style: Remote
    • Power Steering Pump Reservoir Material: N/A
    • Power Steering Pump Reservoir Color: N/A
    • Power Steering Pulley Included: Yes
    • Power Steering Pulley Material: Aluminum
    • Power Steering Pulley Color: Clearcoat
    • Power Steering Pulley Attachment: Keyway
  • Great Design, Huge Savings!

    The March Performance new Style Track serpentine system is created with a combination of style and low price that is sure to find favor among car enthusiasts everywhere. The highly styled one piece alternator and air conditioning bracket provides a rigid support for the alternator and A/C compressor; a separate bracket allows optional power steering. The new Style Track makes use of a unique easy to use belt tension adjustment tool, once the belt tension has been set, the tool is easily removed and stowed away until the next time the belt requires adjustment. As a result, the Style Track displays a much cleaner appearance!

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    Kit includes:

    • 105 Amp Alternator, Chrome or Polished (dependent on availability)
    • Alternator pulley with fan and nose cover
    • Chrome Sanden A/C compressor
    • A/C Compressor nose cover
    • Water pump and Hard coated pulley
    • Alternator and A/C Bracket
    • Crank pulley (Larger Diameter for better accessory drive)
    • Belt Tensioning Tool
    • All mounting Hardware Power Steering Kits Add:
    • GM Type 2 power steering pump (does not include hose or reservoir)
    • Power steering pulley with nose cover
    • Bracket with mounting hardware
    Part TypePulley Kit
    Product LineMarch Style Track Big Block Chevrolet Serpentine Pulley System
    BrandMARCH PERFORMANCE
    Package Width55.8
    Weight55.8 PG
    Part CategoryPerformance Parts
    Hardware IncludedYes
    Water Pump Pulley IncludedYes
    Alternator Brackets IncludedYes
    Idler Brackets IncludedYes
    Crankshaft Pulley IncludedYes
    Tensioner IncludedYes
    Tensioner Cover IncludedYes
    Idler IncludedYes
    Air Conditioning Bracket IncludedYes
    Power Steering Pump Reservoir IncludedNo
    Power Steering Brackets IncludedYes
    Air Conditioning Pulley IncludedYes
    Power Steering Pulley IncludedYes
    Alternator Fan IncludedYes
    Alternator Pulley IncludedYes
    Belt IncludedNo
    Part FitmentSemi Universal
    Vendor Part Number21250-07
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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