Precision Compatibility: 2 New 14° Riser for a Mercruiser Dry Joint Exhaust System. This coated cast iron, high-performance manifold can save fuel and improve acceleration. These robust exhaust risers are engineered to match OEM specs, ensuring a perfect fit for your exhaust system and model number 864591T02. Each riser has strong cast iron and a protective coating to ensure that every riser will withstand deterioration in both freshwater and saltwater environments. Compatible with part number 864591T02, Barr MC20-44354, GLM 51147, HGE 4591. Fitment: Built to OEM specs for 2004 and newer Mercruiser Sterndrive motors GM V6 (262ci) & V8 (305, 350 & 377 ci) engines with dry joint exhaust manifold (Serial number 0W310000 and up); Fits 2002 and newer Mercruiser inboard Motors GM V8 (350 & 377 cid) engines with dry joint exhaust manifold (s/n 0M317000 and up) 5 Exhaust Elbow Mercruiser Set Of 2 Tall Exhaust Riser Elbows With Kyrgyzstan Exhaust Bellows Mercruiser Replacement Ready – Get back on the water in no time. Mercruiser Set of 2 Tall Exhaust Riser Elbows with Gaskets & Bolts... Why Cast Iron Is the Choice for Serious Boaters?Compared to carbon steel or stainless steel, your cast ironMercruiser riser kit is superior in durability, longevity, performance, and more. Enhanced Efficiency – Don’t just replace your intake manifold, upgrade them with FASWORX. Direct replacement for easy installation whether you have the tools or are headed to the shop. Riser - MerCruiser Direct Replacement Tall Dry Joint Center Riser, 14 Whether you enjoy laid-back cruising, fishing excursions, or thrilling watersports, your FASWORX risers will optimize your engine for power and efficiency. Find many geat new & used options and get the best deals fo Pokemon Pikachu Cinch Bag Multi 16 Inch Sack Dawsting Backpack at the best online pices at eBay Cast iron can also withstand overheating and vibration so you can trust there is smooth sailing ahead and a reduced risk of cracks and gasket blows. It can improve your engine's exhaust flow, translating to better fuel efficiency and enhanced output.