BIG BORE POP UP PISTON KIT FITS STIHL MS441, MS441C, MS441 MAGNUM, 52MM KIT PART # 1138-030-2003

THIS POP UP PISTON WILL GIVE YOU MORE COMPRESSION AND POWER

NOTE: WE HAVE PISTONS KITS TO FIT ALLMOST ALL CHAINSAWS. THEY ARE NOT MADE IN TAIWAN OR CHINA, THE OTHER BRANDS YOU SEE ON EBAY ARE MADE IN TAIWAN OR CHINA AND THEY GIVE IT A BRAND NAME, OUR PISTONS ARE MADE EXCLUSIVELY FOR US IN OUT PACKAGEING, NO WHITE BOXES