Mercruiser Set of 2 Dry Joint 3” Spacers with Riser Extension Kit - Replaces 864929A1, 864929A3, V6, V8 4.3L, 5.0L, 5.7L & 6.2L engines with 7 Degree Elbow - 3 inch Dry Joint Spacers by FASWORX

Engineered for Excellence and EfficiencyEnhance your engine performance with the FASWORX 3” Dry Joint Spacer Kit—a premium aftermarket solution for your Mercruiser V6 and V8 engines. These robust exhaust risers are engineered to match OEM specs, ensuring a perfect fit for your exhaust systems and model numbers 864929A1 and 864929A3. Each spacer has strong cast iron and a protective coating to ensure that the spacer can withstand deterioration in both freshwater and saltwater environments. Why Cast Iron Is the Choice for Serious Boaters?Compared to carbon steel or stainless steel, your cast iron Mercruiser spacer kit is superior in durability, longevity, performance, and more. It can improve your engine's exhaust flow, translating to better fuel efficiency and enhanced output. 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. Whether you enjoy laid-back cruising, fishing excursions, or thrilling watersports, your FASWORX manifold will optimize your engine for power and efficiency.Trust FASWORX for a Job Well Done Set sail with renewed confidence and enhanced engine performance. Decades of on-water experience inform our expertly engineered marine parts designed for mechanics and DIY boaters alike, keeping your engine in peak operating condition.Don't let engine troubles keep you ashore; choose FASWORX parts and enjoy a smoother, more reliable experience.

• Precision Compatibility: 2 brand New Dry Joint 3” Spacers compatible with Mercruiser part numbers 864929A1, and 864929A3.
• Fitment: This kit is for standard (raw water) cooling of 350 MAG, 357 MAG, 383 MAG STROKER, 4.3L, 5.0L, 5.7L, & 6.2L engines that use the 7° degree riser.
• Enhanced Efficiency – Don’t just replace your 3 inch spacers, upgrade them with FASWORX. This coated cast iron, high-performance spacer can save fuel and improve acceleration.
• Replacement Ready – Direct replacement for easy installation whether you have the tools or are headed to the shop. Includes gaskets, bolts, nuts, bracket, screws and plugs.
• Premium Promise – Trusted by boaters and mechanics alike, FASWORX manifold spacers offer OEM-grade quality and reliable results at a fraction of the cost for DIY repair or sourcing parts.