Seller notes

1320 performance 2.5" pulley used on the lower B-Series JRSC Alternator bracket and will work on both of the D series pulley found on the Jackson Racing supercharger kit. our 2.5” stainless steel tensioner pulley with dual Genuine OEM quality NSK Japan high-speed bearings we raised the edge of the pulley to prevent the belt from "walking" off the tensioner.This is perfect for your B series JRSC kit with a damaged Tensioner pulley. Oem unit is a weak plastic nylon version and is prone to wear. ...

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