Husqvarna 545 Mark II 20-in 50.1-cc 2-cycle Gas Chainsaw in the Gas Chainsaws department at Lowes.com
Amazon.com: NEO-TEC 65cc Gas ChainSaw Power Head NH865 Compatible with 18/20/24 Inch bar, 3.4KW 4.9HP Gasoline Chainsaws for Professional Logging Work, All Parts Fit with Husqvarna 365 Chain Saw : Patio, Lawn