3 1/2" x 4" Air Filter (2 1/4" ID Tapered Chrome) Bare Chassis If you're looking for a

If you're looking for a complete engine kit

Available in several sizes to fit various karts and foot sizes:

Like any kart

changing your sprocket is rapid and simple

medium arm

3 1/2" x 4" Air Filter (2 1/4" ID Tapered Chrome) Bare Chassis If you're looking for aAir Filter with 3 1 2" x 4" Dimension. This air filter is designed to fit carburetors with an air intake venturi diameter of 2 1 4" ID with a tapered chrome end plate. 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.