Item Package Dimension:8.636 cm L X 5.842 cm W X 3.302 cm H
Item Package Weight:0.3 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.