RBS SUPERCHARGERS IS CLOSED UNTIL DEC 5TH.
Online ordering will be available from November 25th, - Dec 5th. No phone or email will be available at this time. We apologize in advance, for any inconvenience this may cause and look forward to welcoming you back on December 5, 2024.
Roots 5.125" blower snout coupler. This snout coupler is made from billet heat treated steel that is black oxide finish and can be used with 5/16" bolts. The bore for the gear is 1.250" and the overall length is 2.80".
This coupler can be used with all 1.250" 48 spline blower drive shafts but can be bored out to fit 1.50" register if the racer needs.
RBS stocks a full inventory of grade 8 bolts for the coupler if the racer needs #500-5012 for a socket head allen bolt or #400-5012 for a twelve point.