Motion Raceworks LS 3" OD Overdrive Alternator Pulley
Factory alternators can be very dependable and easy to find, which is why most of the aftermarket industry builds front drive bracketry kits around these pieces.
Designed to be used with LS style 6 rib LS Factory style alternators. Simply remove your factory alternator pulley with a puller and press on this alternator pulley.
Note: This is compatible with LS1, LS2, LS3, LS6, LS7, LS9 alternators. Others may be compatible as well.
Machined from 6061 Aluminum
Made in the USA!
Shims included to adjust pulley for inconsistencies in casting, spacing of factory and aftermarket brackets.
Please see the below chart for crank pulley size versus alternator pulley speed