Best Engine Head Bolt Sets of 2026

Introducing the Michigan Motorsports Cam Retainer Plate, a must-have for LS series engine owners. This high-quality retainer plate is specifically designed to fit LS series engines with flat head bolts, excluding VVT Timing setups. The package includes a retainer gasket plate and a Flat Head Bolt Kit ARP 134-1002 for easy installation. One of the standout features of this product is the inclusion of a silicone seal, ensuring proper sealing and preventing leaks. Additionally, the Cam Retainer Plate comes with the ARP 134-1002 High Performance Series Black Oxide M8 x 1.25 Thread 20mm UHL Camshaft Retainer Plate Bolt Kit, complete with a 10mm socket for GM LS-Series V8 engines. Trust Michigan Motorsports to deliver the highest quality and most affordable LS swap products on the market.

The ARP Head Bolt Kit is designed for those who need reliable fastening for street, off-road, and powersport engines. This kit offers precision-engineered bolts, ensuring a secure fit and enhanced engine performance whether you're driving on highways or tackling rough terrains. The compact packaging, measuring just 3 by 7 by 7 inches, makes it easy to store and handle. Weighing only 3 pounds, it’s lightweight and convenient to carry. Plus, being made in the United States adds a level of quality assurance you can trust. This kit is perfect if you want durable, well-crafted head bolts for your engine projects.

The Mean Mug Auto M6 Bolts are designed to provide a reliable replacement for your vehicle’s transmission or oil pan bolts. These bolts measure M6-1.0 x 17mm, with a 10mm hex head and an 18mm washer, making them easy for you to install and ensuring a secure fit. Made from durable Grade 9.8 Black Phosphate material, they offer long-lasting strength and resistance to wear. Plus, these bolts match the OEM part number 11508930, so you can confidently replace your old bolts without compatibility worries. They fit many popular brands, including Toyota, Subaru, and Dodge, giving you versatile use across different vehicles.

The ARP Chevy Head Bolts are designed specifically for Small Block Chevy engines, ensuring a perfect fit for your vehicle. With the part number 134-3601, you can easily identify and order the exact kit you need. Weighing 5 pounds, this bolt kit offers a solid, durable feel, giving you confidence in the strength and reliability of your engine assembly. These bolts are part of ARP's high-performance series, which means they are built to handle the demands of high-stress engine environments, helping you maintain engine integrity and performance.

This ARP Header Bolt Kit is designed specifically for GM LS-Series engines. With a 3/8in Flange Hex design, it ensures a secure and tight fit. The package weighs only 0.6 pounds, making it lightweight and easy to handle. As a part of the Engine Head Bolt Sets category, it offers reliable performance for your vehicle.

The FEL-PRO ES 72220 Head Bolt Set is designed to meet or exceed all original equipment specifications while providing unsurpassed quality. Its application-specific design ensures a perfect fit and eliminates the risk associated with the re-use of T-T-Y (torque to yield) head bolts. The set has been validated for fit, form, and function, and is designed to fit specific vehicles.

The Fel-Pro Head Bolt Set is designed to fit a wide range of Toyota and Lexus models, ensuring you get the right part for your specific vehicle. Before purchasing, you can easily confirm compatibility by entering your vehicle details, which helps prevent buying the wrong item. This set meets or surpasses all original equipment standards, so you know it delivers reliable performance. Its design is tailored to fit perfectly, making installation smoother and reducing the chance of errors. With this set, you avoid the risks of reusing torque-to-yield bolts, giving you peace of mind with every repair or replacement.

The Michigan Motorsports Head Bolts kit offers a complete set of torque-to-yield bolts, making it easier for you to securely fasten both cylinder heads during engine rebuilds or upgrades. This all-in-one kit saves you time and ensures everything fits perfectly. Built to match or exceed factory strength and torque standards, these bolts provide reliable clamping force even under tough conditions, giving you peace of mind. Whether you’re working on a regular street engine or a high-performance build, this kit is designed to handle both. Plus, it’s specifically made for later LS engines from 2004 to 2013, ensuring compatibility with your GM engine’s updated design.

The PQY 12-Point Cylinder Gasket Head Stud Bolts Nuts Kit is compatible with various Chevy LS engines, including trucks and Corvettes. The bolts are centerless ground and heat treated for maximum strength, with a tensile strength rating of 220K psi. They are made of iron with good ductility and a black oxide finish, making them resistant to high temperatures. The kit is easy to install and comes with 20 M11 head studs, 10 M8 studs, 30 parallel-ground washers, and 30 12-point nuts.

The FEL-PRO ES 72390 Head Bolt Set meets or exceeds all original equipment specifications and has an application specific design to ensure a perfect fit. It helps avoid the risk associated with re-using T-T-Y head bolts and is validated for fit, form, and function. With its unsurpassed quality, you can trust this cylinder head bolt set.