Same features as CS-370 with increased power. 16" and 18" bar lengths. 40.2 cc professional-grade, 2-stroke engine for outstanding performance; Available in 16" and 18" bar lengths; Heavy-duty, easy-access, automotive-style air filter for superior filtration; i-30 starting system for reduced effort starting; Automatic, adjustable oiler to match cutting conditions; G-Force Engine Air Pre-Cleaner for reduced air filter maintenance;