McCulloch Girdle Kit Here's a way of keeping your head ! With extreme porting on the Mac series of Kart engines and the need for very high compression something is bound to give so to help prevent hip replacements on Mac Hotsaws here's a few pic's of how to keep your beloved Mac or Westbend in one piece

DON'T LET THAT OVER BORED HEAVILY PORTED MAC POP IT'S TOP THIS GIRDLE KIT  WITH 3RD BEARING CLUTCH SUPPORT WILL HELP PREVENT THAT FROM HAPPENING MADE FROM 7075 HIGH STRENGTH ALUMINUM THIS KIT WILL FIT MAC 91-93 SERIES ENGINES WILL FIT AROUND GEM V-12 INTAKE WILL FIT BURCO AND DXL CLUTCHES ONLY MINOR ENGINE MODIFICATIONS REQUIRED 1ST THE TOP OF THE HEAD NEEDS TO HAVE THE FINS MACHINED FLAT (NOT REMOVED JUST FLAT) 2ND THE CRANK CASE COVER NEEDS TO BE CUT DOWN 1/32 BELOW THE TOP OF MACHINED HEAD (I RECOMEND FINDING A DAMAGED COVER FOR THIS ONE WITH GOOD BEARING BUT CRACKED OR BROKEN BY SPARK PLUG I'M SURE THERES PLENTY OF THESE AROUND) KIT CONTAINS 1) 3RD BEARING SUPPORT ENGINE MOUNT 1) 3RD BEARING SUPPORT ARM WITH BEARING 1) TOP PLATE WITH MCC LOGO 1) SPARK PLUG BOOT RETAINER 4) 3/8-16 X 9" LONG ALLEN BOLTS 4) 3/8 FLAT WASHERS 4) 3/8 HIGH COLLAR LOCK WASHERS 2) 1/4-20 X 1-1/4" LONG ALLEN SCREWS 2) 1/4 FLAT WASHERS 2) 1/4 HIGH COLLAR LOCK WASHERS 2) #10-24 X 1" LONG ALLEN SCREWS 1) CLUTCH NUT MADE FROM HARDEND STEEL HAS 3/8-24 THREAD LH OR RH YOU SPECIFY ON CLUTCH END 3/8-16 THREAD OPPOSITE END FOR ALLEN BOLT YOU SUPPLY FOR STICK STARTING. NUT MEASURES .562 DIA ON CLUTCH END 15 MM FOR 3RD BEARING 2.69 LONG