B-Series Engine Block Guard B16 B18 Upgrade your B-Series Engine with this high-performance block guard designed to provide superior protection and enhanced cooling. Reinforced Protection: Safeguard your engine block by reinforcing the cylinder chambers, ensuring long-term durability. Enhanced Cooling Efficiency: Experience increased engine cooling as the block guard optimizes the coolant passages for improved efficiency. Optimal Coolant Distribution: Facilitates better transportation of coolant to critical areas within the engine block, promoting overall performance. Premium Construction: Crafted from high-grade aluminum and CNC machined from T6061, ensuring exceptional strength and reliability. Pressure Resistant: Engine guards are engineered to resist warping or fracturing, even under high pressure, for added peace of mind.