Optimize your engine's performance with the HOLLEY REGULATOR BLACK DIECAST 6 PSI. This precision-engineered air and fuel regulator ensures consistent fuel delivery, enhancing your vehicle's efficiency and responsiveness. Consistent Performance: Maintains a steady 6 PSI fuel pressure for reliable engine operation. Durable Construction: Crafted from robust diecast material, designed to withstand high temperatures and harsh conditions. Easy Installation: Lightweight at just 0.725 lbs, making it simple to integrate into your system without added bulk. Improved Fuel Efficiency: Helps to achieve optimal air-fuel mixture, leading to better combustion and performance. This regulator is a perfect fit for enhancing the performance of your engine, ensuring every drive is as efficient as possible. Upgrade your setup with confidence in HOLLEY quality.