OER Parts offers a wide selection of Manifold Hardware for your 1974 Chevrolet Caprice. OER Parts offers 1974 Chevrolet Caprice Bolts, 1974 Chevrolet Caprice Exhaust Flanges, 1974 Chevrolet Caprice Extension Pipes, 1974 Chevrolet Caprice Header & Exhaust Manifold Paint, 1974 Chevrolet Caprice Header & Exhaust Manifold Wraps & Blankets, and 1974 Chevrolet Caprice Heat Risers.