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Looking for aftermarket parts to modify or upgrade your 1987 GMC R3500 with pulleys - crank, underdrive? At Tunersports.com we carry a huge selection of the top name brand performance pulleys - crank, underdrive parts and accessories for your R3500.
Whether you have a 1987 GMC R3500 in Base to Sierra Classic trim we have you covered. We have 1 pulleys - crank, underdrive available parts to mod your R3500. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS 1598Install a set of BBK performance underdrive pulleys and see an average of 8-15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant perfor... BBK 85-97 GM Truck 305 350 Underdrive Pulley Kit - Lightweight CNC Billet Aluminum (3pc) 1987-1987 GMC R3500 Base / High Sierra / Sierra Classic $279.99 |