NEW UPDATED 2021 BIG DOG INNER PRIMARY VENT WITH TEFLON GASKET SEALING RING.
NEW UPDATED INNER PRIMARY VENT, THIS VENT IS SAME THREADS (FITS OE LOCATION) HAS A SMALLER BOLT HEAD SIZE, TALLER HEAD WITH IMPROVED VENTING PROPERTIES THAN THE ORIGINAL UNIT.
IF YOUR BIKE IS PUSHING OIL THROUGH THE STARTER, CHANCES ARE YOUR PRIMARY VENT IS PLUGGED, OR NEVER HAD ONE INSTALLED. SAVE YOUR STARTER!!!!!!
FITS ALL 2005 -2011 BIG DOG MODELS WITH BAKER DSSC RIGHT SIDE DRIVE TRANSMISSION. PREVENTS PRIMARY LEAKING FLUID.
