MDC Diesel Extreme Duty Head Studs 89-98 12V 5.9l Cummins

MDC Diesel Extreme Duty Head Stud Kits MDC Diesel Extreme Duty cylinder head stud kits are engineered to withstand the stress and abuses that high-horsepower engines endure. These fastener kits come with all necessary studs, nuts, washers, lubricant, and instructions to ensure maximum performance and reliability. Order the hardware recommended for your year/make and engine application. Fits 89-98 12V 5.9lCummins Diesel EnginesExtreme Duty fasteners feature:* 190,000 psi tensile strength minimum* High-strength chromoly steel utilized for all products* Precision manufacturing processes ensure consistent product performance* All studs are twice straightened to guarantee straightness* Threads are rolled after heat treatment for high strength* Tensile and yield strength tested after thread rolling* Uniformly applied black oxide surface finish* Anti-rust oil coating to protect fasteners from corrosion