Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededMARCH PERFORMANCEPART NUMBER: 655-6380
Serpentine Conversion Pulley Set - High Water Flow Ratio Small Block Chevy
$24999
Ships on 09/04/2026
Lowest Price GuaranteeSmall Block Chevy With Standard Rotation Long Water Pump
- Serpentine Conversion Pulley Set - High Water Flow Ratio
- Small Block Chevy
- Standard Rotation Long Water Pump
- Clear Powdercoat
- 7" 6&6-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: 35' (Gates #465-K060345)Additional Required Components:
- Power Steering Pulley Keyway P/N: 655-623
- Power Steering Pulley Press Fit P/N: 655-624
Part TypePulley Kit
BrandMARCH PERFORMANCE
Package Height5.5
Package Width7.4
Package Length7.5
Weight4.65 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 StyleHigh water flow 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 Number6380
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
Some parts are not legal for use in California or other states with similar laws / regulations
