Product Description: 4 Ports AC Bulkhead for Classic and Hot Rod Vehicles Upgrade your vehicle's air conditioning and heating system with our high-performance 4 Ports AC Bulkhead. Designed for compatibility and durability, this bulkhead is the perfect solution for enhancing your climate control system. Fitment: This AC bulkhead is designed as a replacement for Classic and Hot Rod vehicles. Ensure compatibility with your specific model before purchasing to guarantee a seamless fit and optimal functionality. Size: The billet aluminum alloy bulkhead features 4 ports, including one -6 (5/8in-18) heater hose fitting and three -10 (7/8in-14) heater ports. This configuration provides comprehensive connectivity for your vehicle's climate system. Aluminum Alloy: Crafted from 6061 T6 billet aluminum alloy, this bulkhead offers high hardness, corrosion resistance, and high polish. Its stable performance ensures long-lasting durability and reliability in any driving condition. Perfect Compatibility: Compatible with all common OEM and aftermarket air conditioning and heater systems, this bulkhead is a versatile choice for any vehicle. Enjoy seamless integration and improved system performance. Outstanding Replacement: Whether you're upgrading an existing system or replacing an old or worn-out component, this black aluminum billet air conditioning bulkhead offers a superior solution. Enhance your vehicle's climate control with this premium replacement. Transform your vehicle's air conditioning and heating efficiency with our 4 Ports AC Bulkhead, combining robust construction with perfect compatibility for reliable and enhanced performance.