Billet Supercharger 4" Idler Pulley Universal [Suits 3" Wide Belt] This one-piece billet steel flexplate

This one-piece billet steel flexplate offers the strongest gear teeth

Compatible with most automatic transmission kick-down cables

This adjustable servo enables you to fine-tune the rear band's tension with ease

highly polished chrome top accented by a chrome plated wing nut

These Speedmaster gasket kit sets include premium-quality head gaskets

Billet Supercharger 4" Idler Pulley Universal [Suits 3" Wide Belt] This one-piece billet steel flexplateSpeedmaster's 4 inch polished idler pulley is built for supercharger systems, delivering consistent belt tension and reliable performance. Machined from durable 6061 billet aluminum and heat treated for long lasting strength, it features two sealed single row ball bearings to ensure smooth operation under high loads. The pulley can be flipped to adjust spacing by 1 inch, making belt alignment straight forward when blower snout lengths change with