The OEM MerCruiser V6 V8 "Dry Joint" Exhaust Riser / Spacer Kit is a high-quality product designed for inboard engines and boats. Made by the reputable brand MerCruiser, this kit includes a 4.7-inch spacer that helps improve exhaust performance and reduce noise. Manufactured in the United States, this kit is specifically designed for MerCruiser engines, ensuring a perfect fit and durability. At scms, we cater to all your marine needs, offering everything from Anchors to Zincs, including new and used marine parts. Buy, sell, trade, and consign with us for top-notch marine supplies and expert services.