Universal Valve Cover Bolt Kit V8 1/4-20" UHL 0.812", Pack of 14 Black Finish

Upgrade your engine build with the Universal Valve Cover Bolt Kit—engineered for strength, precision, and a clean black finish. This pack of 14 bolts is designed for 1/4-20" valve cover threads, making it a versatile, drop-in upgrade for V8 applications and a wide range of universal uses where 1/4-20 fasteners are required.

Kit contents

• 14 bolts
• 14 washers

Key specifications

• Thread: 1/4-20"
• Under Head Length: 20.30 mm
• Head diameter: 13.20 mm
• Head style: 12-point
• Material: 8740 steel
• Finish: Black
• Spanner size: 5/16"
• Washers: outside diameter 13.70 mm, inside diameter 6.50 mm, thickness 2 mm

Why this kit stands out

• 12-point head design provides improved torque transfer and reduced cam-out during installation, especially in tight engine bays.
• Durable 8740 steel offers reliable strength for high-repetition valve cover tightening and long-term use.
• Black finish enhances corrosion resistance and delivers a clean, OEM-like appearance under the hood.
• Precisely matched under-head length and washer dimensions ensure consistent clamping force and proper seal across a variety of valve cover profiles.

Fitment and use

Designed for 1/4-20" valve cover bolts, with a universal approach suitable for many V8 and other engines that use this thread size. Use the included washers to ensure a flush seat and even load distribution. When installing, tighten to your vehicle’s manufacturer torque specification using a 5/16" spanner for the best fit and secure sealing.