Carburetor Flange Bolt Pkg.-1-3/8"-"H"-Thermoquad/Holley

Correct EXTRA LONG carburetor flange bolts for specific applications, such as 71 340 Thermoquad (3 piece gasket assembly-approximately 5/16" thick composed of an aluminum spacer plus special sandwich gaskets on either side) 72 and up Thermoquad for 340, 400 and 440 (thick white or black fiber gasket, or 3-piece phenolic plastic gasket with thin gaskets on each side, measuring approximately 3/8" thick), as well as some 383 and 440 4 barrel (U-Code) engines with the original fiber base gasket measuring approximately 3/8" thick. These special bolts are the ONLY way to secure PROPER THREAD ENGAGEMENT into the intake manifold! Correctly phosphate coated of course, and correct "H" head marking. A Bill Rolik Enterprises exclusive!  #1434