GFB 13+ Subaru BRZ / 13+ Scion FR-S Lightweight Alternator Pulley 1999-chevrolet-astro-esi5191300 Works w/Heavy Duty Bearings

Works w/Heavy Duty Bearings

that's a deal

This is a weld-on style filler bung

XX-Large (ALL931216)

GFB 13+ Subaru BRZ / 13+ Scion FR-S Lightweight Alternator Pulley 1999-chevrolet-astro-esi5191300 Works w/Heavy Duty BearingsGO FASTER ? ADD LIGHTNESS, GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet of 6061 T6 aluminium, then precision CNC machined to exacting tolerances, our pulley kits offer an exceptional bolt on performance advantage without the need for supporting mods or tuning SHARPER THROTTLE RESPONSE AND "URGE", ENGINE FEELS MORE LIVELY AND