309 Machine Echo 2511 CNC Ported Short Block Kit Specialty_Tools • Stihl MS 661

• Stihl MS 661

01% increase in horsepower

one-piece muffler cover

Exclusions apply for misuse

this shirt was built to fit just as well in the shop as it does on the jobsite

309 Machine Echo 2511 CNC Ported Short Block Kit Specialty_Tools • Stihl MS 661Wake up your saw with precision CNC porting from 309 Machine. Our focus is simple: maximize power while maintaining the reliability and durability professionals expect. The HP2511TN Short Block Kit represents the ideal balance of high performance and longevity, delivering increased torque and horsepower along with improved throttle response and cutting performance. Whats Included Brand new complete OEM Echo 2511 short block Part Number SB1120