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Vehicle Info NeededMOROSOPART NUMBER: 710-64120
Crankshaft Pulley 1969-Later Small Block Chevy
$9299
Ships on 09/11/2026
Lowest Price GuaranteeCast Aluminum Crankshaft Pulleys
- Crankshaft Pulley
- 1969-Later Small Block Chevy
- With Long Water Pump
- Single Groove
- 4.95" Diameter
- 30% Reduction
Features: - Precision machined from high grade, lightweight aluminum castings
- Extra-deep belt grooves provide added belt retention during rapid changes in engine RPM
- Small pulley diameter slows fan, water pump and alternator speed to reduce horsepower-robbing drag
- High RPM water pump operation is improved, reducing impeller speed below cavitation threshold
- Uses 36° x .5313 wide V-belt
Part TypeCrankshaft Pulley
BrandMOROSO
Package Height4.5
Package Width5.75
Package Length6.0
Weight2.1 PG
Part CategoryPerformance Parts
Hardware IncludedNo
Crankshaft Nose Cover IncludedNo
Underdrive Percentage30 percent
Pulley StyleV-Belt Pulley
UnderdriveYes
Pulley FinishNatural
QuantitySold individually
OverdriveNo
Groove Quantity1
Part FitmentSemi Universal
Outside Diameter4.95 in (125.7 mm)
Pulley MaterialAluminum
Vendor Part Number64120
Package Qty1
Package TypeEA
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