KRC Single 5/8"-11 Aluminum Lug Nuts w/ Reflective Yellow - (20 Pack) 2070139 curved blades to provide a

curved blades to provide a low profile (only 2 1/16" at widest point) for limited space applications

36 in Lift

Shafts manufactured using 7/16" high strength steel

3/8" ARP 8740 bolts

during standing start accelerations

KRC Single 5/8"-11 Aluminum Lug Nuts w/ Reflective Yellow - (20 Pack) 2070139 curved blades to provide aKRC offers the strongest aluminum lug nuts on the market. They are manufactured from 7075 non corrosive aircraft aluminum, then they are black hard anodized to provide the toughest lug nut around. The 5 8" coarse thread is rolled making them lighter and stronger than steel. Nuts are available in single or double angle style with a lifetime guarantee. Kluhsman Racing Components we are constantly striving to drive forward and always go the extra mile.