HD220 High-Strength Material – Studs made from proprietary HD220 alloy with 220,000+ PSI tensile strength, far exceeding typical grade 10.9/12.9 hardware.
Complete Hardware Kit – Includes 16 HD220 studs and spacers for mounting both exhaust manifolds to the heads, plus 6 HD220 studs for manifold-to-up-pipe connections.
Self-Locking Nuts Included – Comes with 22 crimped-style self-locking nuts for a secure, vibration-resistant clamp.
Superior to Common Kits – Most aftermarket kits use only grade 10.9 or 12.9 studs and are not truly complete; this kit upgrades all critical locations with HD220 hardware.
Corrosion Resistant – Superior finish helps protect against rust and harsh diesel exhaust conditions.
Gator Fasteners Quality – Designed for demanding towing, performance, and work-truck use – Nothing Bites Like Gator.
Ensure a reliable, leak-free exhaust system on your 2011–2025 Ford 6.7L Power Stroke with the Gator Fasteners HD220 Heavy Duty Exhaust Manifold Stud Kit (EMSK67F). This complete kit replaces the weak factory hardware and incomplete aftermarket solutions with Gator's proprietary HD220 alloy, delivering over 220,000 PSI tensile strength—far exceeding common grade 10.9 and 12.9 studs used in other kits.
The kit includes 16 HD220 studs and spacers to mount both exhaust manifolds to the cylinder heads, plus 6 additional HD220 studs for the manifold-to-up-pipe connections, along with 22 crimped-style self-locking nuts for a secure, vibration-resistant clamp. This ensures every critical fastener in the exhaust manifold and up-pipe interface is upgraded, improving sealing, reliability, and serviceability on tuned, towing, and work-truck applications.
A durable finish provides corrosion resistance in the harsh exhaust environment, while the precision-machined studs offer a direct fit on all 2011–2025 6.7L Power Stroke engines. Whether you're replacing failed factory hardware or upgrading during manifold or up-pipe work, Gator Fasteners delivers the strength and completeness serious diesel owners expect
