Universal Valve Cover Stud Kit 1/4-20" OAL 1.50", Pack of 14

Aeroflow Performance universal valve cover stud kit designed to hold and secure your valve cover and gasket in place without the worry of loosening. This 14‑piece kit combines precision studs, nuts and washers finished in black for a clean, restrained look under the hood.

What's included

• 14 x Studs — 38.20 mm overall length (1.50"), 6.80 mm shank diameter, with 21.95 mm thread length; threads: 1/4"-20 and 1/4"-28
• 14 x 12‑Point Nuts — 1/4"-28 thread
• 14 x Flat Small Washers — 13.90 mm outside diameter, 6.55 mm inside diameter, 2.05 mm thickness

Key design features

• Bullet nose radius on stud ends to quickly locate pan rail holes and reduce cross threading when starting nuts
• Small 12‑point head on bolts with hardened parallel washers for even load distribution and more accurate torque readings
• Manufactured from aircraft‑quality 8740 high‑tensile chromoly steel and cold‑forged to maintain molecular integrity under load
• Black finish provides a durable, low-profile appearance while resisting corrosion

Materials and durability

Studs are crafted from 8740 high‑tensile chromoly steel and cold‑forged for strength and longevity. The kit uses hardened parallel washers with a small 12‑point head to ensure consistent torque and even pressure across the valve cover and gasket.

Specifications at a glance

• Overall stud length: 38.20 mm (1.50")
• Shank diameter: 6.80 mm
• Thread types (studs): 1/4"-20 and 1/4"-28
• Thread length: 21.95 mm
• Nut size: 1/4"-28 thread
• Nut outer diameter: 10.80 mm
• Nut height: 7.65 mm
• Collar height: 2.05 mm
• Washer outer diameter: 13.90 mm
• Washer inner diameter: 6.55 mm
• Washer thickness: 2.05 mm
• Finish: Black
• Material: 8740 chromoly steel

Designed to reliably secure valve covers and gaskets across a range of engines, this kit minimizes the risk of loosening under vibration while offering straightforward installation — thanks to the precision bullet nose ends and the compatible 1/4"-28 nuts. Ideal for performance and street builds that demand durable, repeatable torque with a clean, professional finish.