Moroso Single Groove Crankshaft Pulley - Chevrolet 396-454 - Single Groove - Pre-1969 (With Short Water Pump) - 30% Reduction - 5.25" O.D. H763CBFM Chevrolet Impala Base 402 1958

Chevrolet Impala Base 402 1958 to 1964

High quality die-cast aluminum thermostatic sandwich adapter with 3/8" NPT ports and an O-ring diameter of 2 3/4"

With a true commitment to design

1954-1957 Chevrolet One-Fifty Series

the harness comes with the connector terminated

Moroso Single Groove Crankshaft Pulley - Chevrolet 396-454 - Single Groove - Pre-1969 (With Short Water Pump) - 30% Reduction - 5.25" O.D. H763CBFM Chevrolet Impala Base 402 1958Precision 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 Use 36 x 17 32" wide belt NOTE: Image shows #MOR64050 and is not representative of actual product shipped.