Looking for aftermarket parts to modify or upgrade your Chevrolet R20 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 R20.
Whether you have a 1987 or 1988 Chevrolet R20 in Cheyenne to Silverado trim we have you covered. We have 3 pulleys - crank, underdrive available to mod your R20. All parts have free shipping to the Continental US 48 States.
 IN STOCK 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 Chevrolet R20 Scottsdale / Silverado 1987-1988 Chevrolet R20 Custom Deluxe $279.99 CLEARANCE VIEW PRICE IN CART |
 IN STOCK - LOW 1603Install 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 88-95 GM Truck 4.3 5.0 5.7 Underdrive Pulley Kit - Lightweight CNC Billet Aluminum (3pc) 1988-1988 Chevrolet R20 Cheyenne / Custom Deluxe / Scottsdale / Silverado $279.99 |
 OUT OF STOCK 38001Gates 98-02 Honda Accord EX/LX / 99-03 Acura TL Base DriveAlign Idler Pulley 1988-1988 Chevrolet R20 Cheyenne / Custom Deluxe / Scottsdale / Silverado $40.74 |