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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 listing is for the pulley only nothing else.
complete B series lower alternator bracket kit with the pulley & hardware is available on our website.
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. This listing is for the stainless steel Tensioner pulley only. This listing does not include any hardware or other accessories you must reuse stock hardware to install this pulley.
we recommend Loctite 242 blue on all hardware to prevent bolts or nuts come loose from engine vibration.