OER Parts offers a wide selection of Manifold Hardware for your 1968 Chevrolet C20 Suburban. OER Parts offers 1968 Chevrolet C20 Suburban Bolts, 1968 Chevrolet C20 Suburban Exhaust Flanges, 1968 Chevrolet C20 Suburban Extension Pipes, 1968 Chevrolet C20 Suburban Header & Exhaust Manifold Paint, 1968 Chevrolet C20 Suburban Header & Exhaust Manifold Wraps & Blankets, and 1968 Chevrolet C20 Suburban Heat Risers.