Ring and Pinion - 3.89 Ratio - 28 Spline Pinion - Ford 9 in - Kit Karting we have one shell size

we have one shell size for x-small to medium

Its precise fit

Fuel Pressure Regulator - Stackable Carbureted - 5 to 12 psi - In-Line - 2-Bolt Flange Inlet - Dual 6 AN Female O-Ring Outlets - Black / Clear Anodized - Flange Stackable - E85 / Gas - Each

Hood Pin - 3/8 in OD x 3-1/2 in Long - 1-1/2 in OD Scuff Plates - Torsion Clips - Hardware Included - Aluminum - Black Anodized - Kit

Fuel Filter Bracket - 2 in Diameter - Billet Aluminum - Natural - Aeromotive Fuel Filters - Each

Ring and Pinion - 3.89 Ratio - 28 Spline Pinion - Ford 9 in - Kit Karting we have one shell sizeRing and Pinion 3. 89 Ratio 28 Spline Pinion Ford 9 in Kit