

Designed for Buick V8 applications. This March Performance pulley kit replaces the factory crank, water pump and alternator pulleys with a matched set CNC-machined from 6061-T6 billet aluminum. Matched diameters keep the accessory drive working together, and the billet construction is lighter and stronger than stamped steel or cast pulleys. It is a straightforward bolt-on upgrade that also dresses up the front of the engine.
Application: 1986-1987 Buick Grand National Regal *Serpentine turbo engine only. Kit includes: 4201-08 6-rib serpentine crank pulley (5 1/4") 4203; Billet intercooler fan adapter 208A-08; 6-rib serpentine alternator pulley (2 11/32") All mounting hardware.
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