Aeroflow Universal Valve Cover Bolt Kit 1/4-20" UHL 0.812", Pack of 14 - Black Finish - AF37-1526UNIVERSAL VALVE COVER BOLT KIT 12 Point Head, 8740 Material Part Number: AF37 1526 Aeroflow Performance universal valve cover bolt kits are designed to hold and secure your valve cover and gasket in place without the worry of loosening.. The bolts are manufactured from aircraft quality 8740 high tensile strength chromoly steel and cold forged to ensure molecular integrity within the stud. All bolts feature a small 12 point head and hardened washers