Engine compatability: BLAST LED TC compatible with most 8HP – 13HP engines with 1″ horizontal shaft including:BriggsRobinTecumsehHonda (and clones)– may need to be altered to work with some GX engines (such as 9HP)KohlerClintonLifanUnit replaces:COMET TAV2 30-100 218354A 218355A TAV-2 Specifications:Driven unit: 6″ (5/8″ driven pulley)Driven unit: Diameter 157mmDrive clutch bore: 25.4 (1″)Belt: Asymmetrical typeTop Width: 19mm(3/4″)Sprocket teeth: 12 teeth #35 and 10T #40/41Engagement range: 2350??200 RPM Package includes:Driver and Driven Unit:1 setDrive Belt:1 pcDriven Shaft & Gear:1 setSide Retainer Plate:1 pcSprocket teeth: 12 teeth #35 and 10T #40/41Cover:1 pcAll Mounting hardwares.