FORDD V8 6 point HEADER BOLT KIT ZINC THIS KIT INCLUDES 16 BOLTS AND EACH BOLT MEASURES 3/816 X 3/4 FOR SMALL BLOCK FORDD 289,302,351W,351C,400MALSO BIG BLOCK FORDD FE 352,390,428 AS WELL AS 429 AND 460***NOTE*** DOES NOT FIT EXHAA MANIFOLDDS ***