54mm Piston kit. 54mm Cylinder Piston Kit For Husqvarna Chainsaw. 1 x Piston 54mm. THE ORIGINAL HUSQVARNA 181 & 281 CHAINSAWS WERE FITTED WITH A 52MM PISTON. BY FITTING THIS KIT YOU WILL INCREASE THE PERFORMANCE OF YOUR SAW AND THE ENGINE CC'S FROM 81 TO 87CC.
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