Winters 4400 Series 6 Spline Quick Change Gears - Midget 8-3/8" Ring Gear - 1" Wide - Set #25 Helmet Air System Rocker Switch They are resistant to gasoline

They are resistant to gasoline and alcohol based fuels

11 in width and 5x120

number 2121 is a stock replacement/street legal part for 289 and 302 V8s with OEM 4V carb

2011-2018 Chevrolet Silverado 1500

it measures 6in

Winters 4400 Series 6 Spline Quick Change Gears - Midget 8-3/8" Ring Gear - 1" Wide - Set #25 Helmet Air System Rocker Switch They are resistant to gasolineProduct Description: Quick Change Gear Set 4400 Series Set 25 6 Spline 4. 11 Ratios 5. 48 3. 08 4. 88 Ratios 6. 51 3. 66 Steel Sold Individually For more than 60 years, Winters Performance Products has been producing high performance rear ends and driveline components for racing and street use. Their product offering includes everything from quick change gear sets to shifter assemblies, as well as many components specifically for the sprint car