18-1953-2 Manifold System Kit Upgrade To Replace And Repair Damaged Kits, Eliminating Hidden Dangers To Safety, Exhaust Manifold Module Will Wear Or Break Due To Mechanical Load Or Tensile Load Of Frequent Bending Force, We Recommend Timely Replacement Each Part Is Factory Tested , Will Fit Either Side Of The Engine,To Meet Or Exceed Oem Specifications, The Installation Kit Comes Complete With All The Necessary Fittings Included So You Can Replace Your Manifold In No Time And Get Back Out On The Water Exhaust Manifold + Riser Kit Is Made Of Heavy Duty Cast Iron Material, More Flexible And Wear-Resistant, High-Temperature Resistant, Corrosion Resistance. This Kit Also Includes Some Essential Hose Adapters For Winterizing Your Boat To Protect It During Cooler Weather. Either For Immediate Use Or As A Spare, Are A Better Replacement, Ready To Replace, Can Be Replaced With The Existing Hardware Integration Perfectly Matched To Give You Long-Term Stability And Good Performance 18-1953-2 manifold fits MCM/MIE GM V8 (305, 350, 377 CID) engines 1983-2002 Fits For Barr MC-1-87114, GLM 51230, HGE 7114, Mallory 9-40507, Marine Power 0994-100, Mercruiser Stern Drive 860246A10, 860246A15, 860246A3, 860246A7, 860246A9, 860336A2, 860337A2, 87114A19, 87114A30, 87114A8, OSCO 7114B2 Sierra Limited Lifetime Warranty