3 1/2" x 8" Angled Air Filter (2 7/16" ID) Sprocket Different Hilliard Inferno models require

Different Hilliard Inferno models require different clutch shoes

Pre-drilled HANS or Neck Restraint posts are included with the helmet as well

with apparatus pictured and adapter components

which can be obtained separately

3 1/2" x 8" Angled Air Filter (2 7/16" ID) Sprocket Different Hilliard Inferno models requireAir Filter with 3 1 2" x 8" Dimension. This air filter is designed to fit carburetors with an air intake venturi diameter of 12 7 16" dimension. 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.