Billet Supercharger 4" Idler Pulley Universal [Suits 3" Wide Belt] Compatible with most automatic transmission

Compatible with most automatic transmission kick-down cables

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

Heavy duty construction and hardware included make this a simple and bolt on modification

and the nipple pilot prevents damage to the inner tube

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

Billet Supercharger 4" Idler Pulley Universal [Suits 3" Wide Belt] Compatible with most automatic transmissionSpeedmaster'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