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Moroso competition-style vacuum pump gilmer drive pulleys bolt directly onto OEM, Holley, and other smog pumps used as engine vacuum pumps to improve ring seal. They're machined from aluminum to reduce weight and use the common 3 x 1.313 in. mounting pattern.
Not Yet Reviewed
$140.99
Peterson Fluid Systems standard drive mandrel pulleys fit the standard .625 in. mandrel. All of the pulleys feature a .625 in. bore and fit a 3/16 in. keyway. They are available in Gilmer and 8mm HTD tooth profiles. These oil pump pulleys are available in 1.020 in and 1.125 in. widths and each includes 4 set screws to keep them secured to the shaft. Peterson oil pump pulleys are precision machined from 6061-T6 billet aluminum and hard anodized for long-term wear resistance.
Not Yet Reviewed
$106.99
Moroso cast aluminum crankshaft pulleys have a small diameter that slows fan, water pump, and alternator speeds to reduce horsepower-robbing drag. They also have extra-deep grooves to provide added belt retention during rapid changes in engine rpm. They are precision-machined from high-grade, lightweight, aluminum castings.
( 17 )
$100.99
These Moroso crankshaft pulleys reduce parasitic loss through more efficient power transfer. They feature an improved tooth geometry that also provides positive belt engagement to increase load capacity and reduce wear, noise, and vibration. They're ideal for driving dry sump pumps, vacuum pumps, and other engine accessories. Their billet aluminum construction with a blue hard-coat anodized finish extends service life.
( 3 )
$132.99
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