2.5 inch tensioner pulley JRSC supercharger B and D m10x1.5 Only tighten against the jam

Only tighten against the jam nut (not included)

and CNC-machined flanges that accept OEM O-ring gasket

Version 5 and 6 are Perfect for dual exhaust cars a matching pair flat cut tips

1992-2000 Honda Civic

* True 4-1 merge collector provide smooth exhaust flow and higher HP gain after Tig welded we Ported it for better flow

2.5 inch tensioner pulley JRSC supercharger B and D m10x1.5 Only tighten against the jam1320 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