Winters 4400 Series 6 Spline Quick Change Gears - Midget 8-3/8" Ring Gear - 1" Wide - Set #25 35453XXLBK There are four built-in 8mm

There are four built-in 8mm side mount threaded fasteners (brackets not included)

2009-2011 Chevrolet Express 3500

Shock Mount 1-1/2" tube

the X1 is designed to span the entire range of applications providing dependable fuel pressure regulation

Winters 4400 Series 6 Spline Quick Change Gears - Midget 8-3/8" Ring Gear - 1" Wide - Set #25 35453XXLBK There are four built-in 8mmProduct 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