STILLEN 400346 Standard Performance Lightweight Crank Pulley - 350Z / G35 Sedan / 03-07 G35 / 03-07.5 FX35 Complete Standard Sized Lightweight Pulley Set; Includes 3 Pulleys - Crank, Alternator, Idler; Billet Aluminum CNC Machined at STILLEN OEM Pulley Weight: 7.56 lbs.; STILLEN Pulley Weight: 2.33 lbs. Suitable For Use with STILLEN Supercharger