Our Driven Clutch Pulley replaces for Comet 40 Series Torq-A-Verter models. Works with 8-18hp engines within the 1600-3300 RPM range. The Driven Pulley Slides directly onto a keyed jackshaft or differential. These 7 1/2″ OD Driven Pulleys have built in key that can’t be removed. BLAST LED Torque Converter is compatible on most small engines with horizontal shaft. Including for Briggs, for Robin, for Tecumseh, for Honda (and clones), for Kohler, for Clinton, for Lifan. Package includes 1 x 7/8″ Bore 3/16″ Key Driven Clutch. Reference OEM Number: Comet 209139, Comet 209139A. Fitment: Works on Horizontal Engines with Straight Shaft, 8-18HP. BLAST LED Torque Converter is compatible on most small engines with horizontal shaft. Including for Briggs, for Robin, for Tecumseh, for Honda (and clones), for Kohler, for Clinton, for Lifan.Specifications: — Condition: 100% Brand New, Never Mounted — Net Weight: 2.50 kg — Reference OEM Number: Comet 209139, Comet 209139A — Engagem