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

the EZ-set system makes adjusting your chain tension and motor position super simple

Ideal for protecting the underside of your go kart chassis from the track

Note: if you need a pre-cut axle

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.