4 1/2" x 4" Air Filter (2 7/16" ID) Youth Helmets This oil seal keeps compression

This oil seal keeps compression gases inside the crankcase and dust and debris out

Note: if you need a pre-cut axle

Cable Support for Rotax DD2 Kart Engines

Internal clutch assembly for the Noram Premier Stinger Clutch

fits 1 5/16" piping

4 1/2" x 4" Air Filter (2 7/16" ID) Youth Helmets This oil seal keeps compressionAir Filter with 4 1 2" x 4" Dimension. This air filter is designed to fit carburetors with an air intake venturi diameter of 2 7 16". Each air filter comes with a premium fabric air filter baffle matrix, with mesh to reinforce and support the baffles and promote maximum air flow. Each filter is sold with the attachment clamp as well, as pictured.