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Vehicle Info NeededMOROSOPART NUMBER: 710-64210
Crankshaft Pulley Pre-1969 Big Block Chevy
$8599
1 left in stock
Ships on Sep 08, 2026
Lowest Price GuaranteeCast Aluminum Crankshaft Pulleys
- Crankshaft Pulley
- Pre-1969 Big Block Chevy
- With Short Water Pump
- Double Groove
- 5.40" Diameter
- 25% 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
Stop Worrying About Belt Slippage
Produced from high-strength cast or billet aluminum, Moroso alternator, crankshaft, power steering, and vacuum pump pulleys feature a deep groove for improved belt retention at high rpm.
Part TypeCrankshaft Pulley
Product LineMoroso V-Belt Racing Pulleys
BrandMOROSO
Package Height3.2
Package Width7.4
Package Length8.7
Weight1.95 PG
Part CategoryPerformance Parts
Hardware IncludedNo
Crankshaft Nose Cover IncludedNo
Underdrive Percentage25 percent
Pulley StyleV-Belt Pulley
UnderdriveYes
Pulley FinishNatural
QuantitySold individually
OverdriveNo
Groove Quantity2
Part FitmentSemi Universal
Outside Diameter5.4 in (137.2 mm)
Pulley MaterialAluminum
Vendor Part Number64210
Package Qty1
Package TypeEA
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