Item Package Dimension:3.2 " L X 2.2 " W X 1.3 " H
Item Package Weight:0.35 lbs
Country Of Origin: United States
Standard header bolts, from Trans-Dapt Performance have a 7/16 inch head size for use with headers. The smaller head size allows for additional clearance around header tubes or sparkplugs. For even tighter fitting applications, use Trans-Dapt's small head bolts with a 3/8 inch head size. Grade 5 hardness.