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59mm DI 59 mm grooved pulley for use with all Holley passenger side LS accessory drive brackets (this pulley is required for LS bracket application using the "standard" belt spacing AND using a stock LS3/LS7 throttle body
4L V8 1979 - 1985 GMC K3500 454/7
Provides OEM fitment– OEM oil filter mounting
Red Hot Sound
LS/LT Complete Accessory Drive Kit - 20-137 automotive-parts-and-accessories 59mm DI 59 mm groovedOverview: Now available from Holley are complete kits that have everything needed for the application including the belt. Included are accessories, pulleys, tensioner, and belt that are manufactured by OE part suppliers many of which are on production cars today. Replacement hardware kit is 97 171 Features: INCLUDES THE FOLLOWING ITEMS Ideal for crate engines, take out motors and engine builders OEM spec flanged head hardware included to match your
