Mechanics and DIYers working on GM V6 engines, this DNJ head bolt kit has everything you need for a proper cylinder head replacement or rebuild. Specifically designed for 1988-1995 Buick, Chevrolet, Oldsmobile, and Pontiac vehicles with 3.3L to 3.8L V6 engines - both naturally aspirated and supercharged versions. The HBK3116 kit includes a complete set of head bolts to service the entire engine, so you don't have to worry about missing any critical fasteners. DNJ Engine Components has been in the business for over 30 years, building a reputation for quality parts that meet or exceed OEM specifications. The bolts are manufactured from high-grade materials and rigorously tested to ensure proper fit and reliable performance under engine operating conditions. When you're doing head gasket replacement or engine rebuilding, using a matched set like this ensures consistent clamping force and proper sealing. The quality is immediately apparent - the threads are clean and precise, and the heat treatment provides the right balance of strength and flexibility. Whether you're a professional mechanic or a skilled DIYer tackling an engine project, having the correct head bolts is crucial for a successful, long-lasting repair. This kit takes the guesswork out of sourcing individual bolts and ensures you have exactly what you need for your specific GM V6 application. It's one of those parts where using quality components makes all the difference in how well your repair holds up over time and miles.
Free 30-day returns 
Free 30-day returns
