FOR IMMEDIATE RELEASE:

This 12-piece set of 1-inch header bolts (#66753) covers GM V6, 265-400 small-block, Buick, Olds, Pontiac (’79 and earlier), Mopar big-blocks 383-440 (Except 413) and AMC V8s using 3/8-inch bolts. ¾-inch length is also available in 12 and 16-piece sets (#66751, #66752 respectively) and are commonly used for cast iron heads, where these 1 ... ................
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