Upgrade your engine's integrity with the GM 14077193 Cylinder Head Bolt Stud Set, designed for both 6.2L and 6.5L engines. This set includes 12 bolts with a thread diameter of M12-1.75 and a length of 97mm, ensuring a perfect fit for the specified placement on the upper, front section of your vehicle's engine block. The bolts are crafted from high-grade 10.9 steel, offering both strength and durability. Finished in a sleek matte black, these corrosion-resistant bolts are an ideal replacement for vintage parts, maintaining the original aesthetic while providing enhanced reliability. The hex size is also M12-1.75, ensuring easy installation and a snug, secure fit. With easy installation and the assurance of corrosion resistance, these bolts are a practical choice for maintaining your engine's integrity. Exact lot is shown. Made in Canada. Please review our business policies in our store for information regarding returns, shipping and warranties.