2.5 inch tensioner pulley JRSC supercharger B and D m10x1.5 BOTH UPPER AND LOWER JRSC

BOTH UPPER AND LOWER JRSC BRACKETS WITH ALL HARDWARE AND PULLEYS

which in turn provides improved handling & greater safety

25 threads

Tip Tilt up 15 degrees

All K20 K24 vehicles and classic car with k20 k24 swap

2.5 inch tensioner pulley JRSC supercharger B and D m10x1.5 BOTH UPPER AND LOWER JRSC1320 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