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This Exhaust Kit fits GM V8 Big Block with Barr Style 4" Center Riser Exhaust. This kit requires a 4" I.D. Exhaust hose to be connected to the riser. Includes 2 GLM56240 Manifolds, 2 GLM56140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. A Barr Style that has been used on many generic applications, and some Marine Power and Barr Engines. GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed