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Vehicle Info NeededMARCH PERFORMANCEPART NUMBER: 655-7640
Serpentine Conversion Pulley Set - Mid Performance Ratio Big Block Chevy
$27500
Ships on 09/04/2026
Lowest Price GuaranteeBig Block Chevy With Standard Rotation Long Water Pump
- Serpentine Conversion Pulley Set - Mid Performance Ratio
- Big Block Chevy
- Standard Rotation Long Water Pump
- Clear Powdercoat
- 5-3/4" 6&5-Rib Crank Pulley
- 5-1/4" 6-Rib Water Pump Pulley
- 2-3/4" 6-Rib Alternator Pulley w/Cover
Alternator Belt Size with March Brackets: 42.5' (Gates #465-K060420)
Power Steering Belt Size with March Brackets: 37-3/4' (Gates #465-K050370)Additional Required Components:
- Power Steering Pulley Keyway P/N: 655-616
- Power Steering Pulley Press Fit P/N: 655-617
Part TypePulley Kit
BrandMARCH PERFORMANCE
Package Height4.1
Package Width10.5
Package Length15.8
Weight4.9 PG
Part CategoryPerformance Parts
Hardware IncludedNo
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
Pulley Set StyleMid-performance ratio
Crankshaft Nose Cover IncludedNo
Water Pump Pulley IncludedYes
Alternator Brackets IncludedNo
Pulley StyleSerpentine Pulley
Pulley FinishClear powdercoated
Crankshaft Pulley IncludedYes
QuantitySold as a set of 3
Power Steering Brackets IncludedNo
Alternator Pulley Grooves6-groove, serpentine
Air Conditioning Cover IncludedNo
Air Conditioning Pulley IncludedNo
Power Steering Pulley IncludedNo
Alternator Fan IncludedNo
Idler Cover IncludedNo
Part FitmentSemi Universal
Pulley MaterialBillet Aluminum
Water Pump Nose Cone IncludedNo
Vendor Part Number7640
Package Qty1
Package TypeEA
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