20620 Big Block Chevy Serpentine Conversion Ultra - Inward - SWP - AC & ALT
InfoVehicle Info Needed
MARCH PERFORMANCEPART NUMBER: 655-20620

20620 Big Block Chevy Serpentine Conversion Ultra - Inward - SWP - AC & ALT

$79500
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

Big Block Chevy Serpentine Conversion Ultra
  • Inward
  • SWP
  • AC & ALT

    March Performance 20620 Features:

    • Air Conditioning Bracket Included: Yes
    • Air Conditioning Cover Included: Yes
    • Air Conditioning Pulley Included: No
    • Alternator Brackets Included: Yes
    • Alternator Fan Included: Yes
    • Alternator Nose Cover Included: Yes
    • Alternator Pulley Grooves: 6-Groove, Serpentine
    • Alternator Pulley Included: Yes
    • Belt Included: No
    • Bracket Color: Clearcoat
    • Bracket Material: Aluminum
    • Crankshaft Nose Cover Included: No
    • Crankshaft Pulley Bolt Hole Quantity: Three
    • Crankshaft Pulley Grooves: 6-Groove, Serpentine
    • Crankshaft Pulley Included: Yes
    • Hardware Included: Yes
    • Idler Brackets Included: No
    • Idler Cover Included: No
    • Idler/Tensioner Included: No
    • Notes: This Inward-Mount Style Kit Works With Oem, Hot Rod Air And Vintage Air Air Conditioning Systems
    • Power Steering Brackets Included: No
    • Power Steering Pulley Included: No
    • Pulley Finish: Clearcoat
    • Pulley Material: Aluminum
    • Pulley Set Style: High Water Flow Ratio
    • Pulley Style: Serpentine
    • Quantity: Sold As A Kit
    • Water Pump Nose Cone Included: Yes
    • Water Pump Pulley Grooves: Non-Ribbed
    • Water Pump Pulley Included: Yes
    • Water Pump Rotation: Counterclockwise
    • Water Pump Style: Long
  • Part TypeCrankshaft Pulley
    BrandMARCH PERFORMANCE
    Package Width15.1
    Weight15.1 PG
    Part CategoryPerformance Parts
    Hardware IncludedYes
    Idler Brackets IncludedNo
    Water Pump RotationCounterclockwise
    Idler/Tensioner IncludedNo
    Air Conditioning Bracket IncludedYes
    Water Pump StyleLong
    Crankshaft Pulley Grooves6-Groove, Serpentine
    Alternator Pulley IncludedYes
    Alternator Nose Cover IncludedYes
    Water Pump Pulley GroovesNon-Ribbed
    Belt IncludedNo
    Bracket MaterialAluminum
    Bracket ColorClearcoat
    Pulley Set StyleHigh Water Flow Ratio
    Crankshaft Nose Cover IncludedNo
    Water Pump Pulley IncludedYes
    Alternator Brackets IncludedYes
    Pulley StyleSerpentine
    Pulley FinishClearcoat
    Crankshaft Pulley IncludedYes
    QuantitySold As A Kit
    Power Steering Brackets IncludedNo
    Alternator Pulley Grooves6-Groove, Serpentine
    Air Conditioning Cover IncludedYes
    Air Conditioning Pulley IncludedNo
    Power Steering Pulley IncludedNo
    Alternator Fan IncludedYes
    Idler Cover IncludedNo
    Pulley MaterialAluminum
    Water Pump Nose Cone IncludedYes
    Vendor Part Number20620
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

    Crank Pulley Shims for Small Block Chevy

    JEGS

    Crank Pulley Shims for Small Block Chevy

    Part Number : 555-50400
    $1499$16.19
    You Save$1.20
    Crank Pulley Shims for Big Block Chevy

    JEGS

    Crank Pulley Shims for Big Block Chevy

    Part Number : 555-50401
    $1499$16.19
    You Save$1.20
    Blue Medium Strength Threadlocker 6ml Tube

    PERMATEX

    Blue Medium Strength Threadlocker 6ml Tube

    Part Number : 775-24200
    $499
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!