DUKE'S MOLY COATED PISTON AND NIKASIL CYLINDER FITS STIHL MS311 MS391 49MM TOP MOVER KR PPT-260 (E08512001001-E08512999999) Power Pruner Telescoping

PPT-260 (E08512001001-E08512999999) Power Pruner Telescoping Shaft

IGNITION) Where Used: · GT-230 S/N: 05001001 - 05999999-->Ignition · GT-230 S/N: 07001001 - 07999999-->Ignition · GT-230 S/N: S85712001001 - S85712999999-->Ignition · GT-230 S/N: S85811001001 - S85811999999-->Ignition · GT-230 S/N: S85913001001 - S85913999999-->Ignition · GT-230 S/N: T49414001001 - T49414999999-->Ignition · GT-231 S/N: 06001001 - 06999999-->Ignition · HCA-260 S/N: 05001001 - 05999999-->Ignition · HCA-260 S/N: 06001001 - 06999999-->Ignition · HCA-260 S/N: 07001001 - 07999999-->Ignition · HCA-260 S/N: S69211001001 - S69211999999-->Ignition · HCA-260 S/N: S77812001001 - S77812999999-->Ignition · HCA-260 S/N: S84813001001 - S84813999999-->Ignition · HCA-261 S/N: 06001001 - 06999999-->Ignition · PAS-230 S/N: S67711001001 - S67711001223-->Ignition · PAS-230 S/N: S67711001224 - S67711001252-->Ignition · PAS-230 S/N: S67711001253 - S67711002246-->Ignition · PAS-230 S/N: S67711002247 - S67711003695-->Ignition · PAS-230 S/N: S67711003696 - S67711999999-->Ignition · PAS-230 S/N: S75212001001 - S75212007738-->Ignition · PAS-230 S/N: S75212007739 - S75212008805-->Ignition · PAS-230 S/N: S75212008806 - S75212021000-->Ignition · PAS-230 S/N: S75212021001 - S75212025631-->Ignition · PAS-230 S/N: S75212025632 - S75212999999-->Ignition · PAS-230 S/N: S82713001001 - S82713999999-->Ignition · PAS-230 S/N: T49714001001 - T49714999999-->Ignition · PAS-260 S/N: 05001001 - 05999999-->Ignition · PAS-260 S/N: 06001001 - 06999999-->Ignition · PAS-260 S/N: 07001001 - 07999999-->Ignition · PAS-260 S/N: S67811001001 - S67811999999-->Ignition · PAS-260 S/N: S75312001001 - S75312999999-->Ignition · PAS-260 S/N: S82813001001 - S82813999999-->Ignition · PAS-261 S/N: 06001001 - 06999999-->Ignition · PE-230 S/N: 05001001 - 05011200-->Ignition · PE-230 S/N: 05011201 - 05999999-->Ignition · PE-230 S/N: 06001001 - 06999999-->Ignition · PE-230 S/N: 07001001 - 07999999-->Ignition · PE-230 S/N: S68311001001 - S68311001128-->Ignition · PE-230 S/N: S68311001129 - S68311002107-->Ignition · PE-230 S/N: S68311002108 - S68311003595-->Ignition · PE-230 S/N: S68311003596 - S68311999999-->Ignition · PE-230 S/N: S75612001001 - S75612010477-->Ignition · PE-230 S/N: S75612010478 - S75612022149-->Ignition · PE-230 S/N: S75612022150 - S75612026122-->Ignition · PE-230 S/N: S75612026123 - S75612999999-->Ignition · PE-230 S/N: S83113001001 - S83113999999-->Ignition · PE-230 S/N: S83113001533 - S83113002063-->Ignition · PE-230 S/N: T49614001001 - T49614999999-->Ignition · PE-231 S/N: 06001001 - 06999999-->Ignition · PE-260 S/N: 05001001 - 05999999-->Ignition · PE-260 S/N: 06001001 - 06999999-->Ignition · PE-260 S/N: 07001001 - 07999999-->Ignition · PE-260 S/N: S68411001001 - S68411999999-->Ignition · PE-260 S/N: S75712001001 - S75712999999-->Ignition · PE-260 S/N: S83213001001 - S83213999999-->Ignition · PE-261 S/N: 06001001 - 06999999-->Ignition · PPT-230 S/N: E07711001001 - E07711999999-->Ignition · PPT-230 S/N: E08312001001 - E08312999999-->Ignition · PPT-230 S/N: E08913001001 - E08913999999-->Ignition · PPT-260 S/N: 05001001-05999999-->Ignition · PPT-260 S/N: 06001001-06999999-->Ignition · PPT-260 S/N: 07001001-07999999-->Ignition · PPT-260 S/N: E07911001001 - E07911999999-->Ignition · PPT-260 S/N: E08512001001 - E08512999999-->Ignition · PPT-260 S/N: E09113001001 - E09113999999-->Ignition · PPT-261 S/N: 06001001-06999999-->Ignition · SHC-260 S/N: 05001001 - 05999999-->Ignition · SHC-260 S/N: 06001001 - 06999999-->Ignition · SHC-260 S/N: 07001001 - 07999999-->Ignition · SHC-260 S/N: S69011001001 - S69011999999-->Ignition · SHC-260 S/N: S77612001001 - S77612999999-->Ignition · SHC-260 S/N: S84613001001 - S84613999999-->Ignition · SHC-261 S/N: 06001001 - 06999999-->Ignition · SRM-230 S/N: 05001001 - 05999999-->Ignition · SRM-230 S/N: 06001001 - 06999999-->Ignition · SRM-230 S/N: 07001001 - 07999999-->Ignition · SRM-230 S/N: S65611001001 - S65611018706-->Ignition · SRM-230 S/N: S65611018707 - S65611054954-->Ignition · SRM-230 S/N: S65611054955 - S65611069327-->Ignition · SRM-230 S/N: S65611069328 - S65611999999-->Ignition · SRM-230 S/N: S73112001001 - S73112127551-->Ignition · SRM-230 S/N: S73112127551 - S73112328927-->Ignition · SRM-230 S/N: S73112328928 - S73112429314-->Ignition · SRM-230 S/N: S73112429315 - S73112999999-->Ignition · SRM-230 S/N: S80613001001 - S80613999999-->Ignition · SRM-230 S/N: T49514001001 - T49514999999-->Ignition · SRM-230 S/N: U07815001001 - U07815999999-->Ignition · SRM-230S S/N: 05001001 - 05999999-->Ignition · SRM-230S S/N: 06001001 - 06999999-->Ignition · SRM-230S S/N: 07001001 - 07999999-->Ignition · SRM-230S S/N: S65711001001 - S65711999999-->Ignition · SRM-230S S/N: S73212001001 - S73212999999-->Ignition · SRM-230S S/N: S80713001001 - S80713999999-->Ignition · SRM-230U S/N: 05001001 - 05999999-->Ignition · SRM-230U S/N: 06001001 - 06999999-->Ignition · SRM-230U S/N: 07001001 - 07999999-->Ignition · SRM-230U S/N: S67211001001 - S67211999999-->Ignition · SRM-230U S/N: S74712001001 - S74712999999-->Ignition · SRM-230U S/N: S82213001001 - S82213999999-->Ignition · SRM-231 S/N: 06001001 - 06999999-->Ignition · SRM-231S S/N: 06001001 - 06999999-->Ignition · SRM-231U S/N: 06001001 - 06999999-->Ignition · SRM-260 S/N: 05001001 - 05999999-->Ignition · SRM-260 S/N: 06001001 - 06999999-->Ignition · SRM-260 S/N: 07001001 - 07999999-->Ignition · SRM-260 S/N: S66211001001 - S66211999999-->Ignition · SRM-260 S/N: S73712001001 - S73712999999-->Ignition · SRM-260 S/N: S81213001001 - S81213999999-->Ignition · SRM-260S S/N: 05001001 - 05999999-->Ignition · SRM-260S S/N: 06001001 - 06999999-->Ignition · SRM-260S S/N: 07001001 - 07999999-->Ignition · SRM-260S S/N: S66311001001 - S66311999999-->Ignition · SRM-260S S/N: S73812001001 - S73812999999-->Ignition · SRM-260S S/N: S81313001001 - S81313999999-->Ignition · SRM-260SB S/N: 05001001 - 05999999-->Ignition · SRM-260SB S/N: 07001001 - 07999999-->Ignition · SRM-260U S/N: 05001001 - 05999999-->Ignition · SRM-260U S/N: 06001001 - 06999999-->Ignition · SRM-260U S/N: 07001001 - 07999999-->Ignition · SRM-260U S/N: S67411001001 - S67411999999-->Ignition · SRM-260U S/N: S74912001001 - S74912999999-->Ignition · SRM-260U S/N: S82413001001 - S82413999999-->Ignition · SRM-261 S/N: 06001001 - 06999999-->Ignition · SRM-261S S/N: 06001001 - 06999999-->Ignition · SRM-261SB S/N: 06001001 - 06999999-->Ignition · SRM-261T S/N: 06001001 - 06999999-->Ignition · SRM-261T S/N: 07001001 - 07999999-->Ignition · SRM-261T S/N: S66411001001 - S66411999999-->Ignition · SRM-261T S/N: S73912001001 - S73912999999-->Ignition · SRM-261T S/N: S81413001001 - S81413999999-->Ignition · SRM-261U S/N: 06001001 - 06999999-->Ignition

HCA-260 (05003034 - 05999999) Hedge Clipper Articulating

SRM-260U (05001001 - 05001870) Straight Shaft Trimmer / Brushcutter

Superior wear resistance

DUKE'S MOLY COATED PISTON AND NIKASIL CYLINDER FITS STIHL MS311 MS391 49MM TOP MOVER KR PPT-260 (E08512001001-E08512999999) Power Pruner TelescopingONLY FITS MS311 AND MS391 WITH 3 BOLT INTAKE, SOME MODELS HAVE 4 BOLT INTAKE. CHECK YOUR MACHINE TO BE CERTAIN THE DUKE'S SAW SALVAGE MOLYBDENUM DISULFIDE COATED PISTON. LESS OVERALL FRICTION AND CYLINDER WALL WEAR. MOLYBDENUM DISULFIDE IS COMMONLY KNOWN AS "MOLY" OR "MOS2." AWESOME QUALITY PISTON WITH THE STIFFER CAST IRON RINGS AND BEST QUALITY PIN CLIPS. The moly coating is seen as a sacrificial lubricant and creates a surface that is slicker than