OER Parts offers a wide selection of Manifold Hardware for your 1971 Chevrolet Bel Air. OER Parts offers 1971 Chevrolet Bel Air Bolts, 1971 Chevrolet Bel Air Exhaust Flanges, 1971 Chevrolet Bel Air Extension Pipes, 1971 Chevrolet Bel Air Header & Exhaust Manifold Paint, 1971 Chevrolet Bel Air Header & Exhaust Manifold Wraps & Blankets, and 1971 Chevrolet Bel Air Heat Risers.