Oregon Combi Kit 578739
The Oregon 578739 SpeedCut Combi Kit is a complete replacement system for many 18″ chainsaws. It includes an 18″ SpeedCut narrow-kerf guide bar and two matching 95TXL072E SpeedCut chains, engineered for faster cutting, reduced load on the saw, and professional-grade durability.
The slim, lightweight SpeedCut bar improves manoeuvrability and reduces operator fatigue while maintaining strength and reliability in demanding conditions. Paired with the narrow-kerf chains, the kit removes less wood per cut, delivering noticeably faster cutting performance and smoother operation.
This combi kit is ideal for arborists, farmers, firewood processors, and homeowners who want a high-efficiency setup for mid-range chainsaws. With two chains included, you can rotate them during work or keep a spare ready to maintain uninterrupted productivity.
Compatible Chainsaw Models: Husqvarna 45, 50, 51, 55, 142, 242, 246, 254, 339XP, 340, 345, 346XP, 350, 351, 353, 357, 359, 435, 440, 445, 450, 455, 460, 543XP, 545, 550XP, 550XP MkII, 550XPG, 555, 560XP, 560XPG
Contents:
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2x Oregon 95TXL072E Chains – 0.325″ Pitch, 0.050″ Gauge (1.3 mm)
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1x Oregon 18″ 180TXLBK095 SpeedCut Guide Bar
This genuine Oregon kit delivers fast, precise, and reliable cutting performance, helping maintain your chainsaw’s efficiency and durability for demanding tasks.



