BREATHER VALVE AND GEAR FOR HARLEY DAVIDSON BIG TWIN

• WHETHER YOU'RE BUILDING AN ENGINE FROM SCRATCH , REBUILDING AN ENGINE THAT HAS BEEN THRASHED OR UPDATING FROM THE OEM PLASTIC BREATHER , WE RECOMMEND USING ONE OF THESE TOP QUALITY STEEL BREATHER VALVE AND GEARS
• THE STOCK PLASTIC BREATHERS ARE KNOWN FOR THEIR TERRIBLE DISTORTION AND CAN EASILY BE UPGRADED TO ONE OF THESE
• ALL JIM'S BREATHERS ARE OF THE LATE STYLE SLOTTED DESIGN
• ALL BREATHERS LISTED ARE DESIGNED TO BE USED WITH LATE 1979/1982 STEEL BREATHER SHIMS
• SEE THE ENGINE SECTION FOR BREATHER SHIMS
• AVAILABLE IN STANDARD DIAMETER OR +.030" OUTSIDE DIAMETER
• THE +.030" IS DESIGNED TO REPAIR GOUGED OUT BREATHER HOLES AND WILL REQUIRE MACHINE WORK