ARP Header Bolt - 3/8-16 in Thread - 0.875 in Long - 12 Point Head - Chromoly - Black Oxide - Universal - Set of 12 AA0220BG1R57 The Aero 33 Series Beadlock

The Aero 33 Series Beadlock Wheel is a very low run-out beadlock that has a unique 7-hole D-window center disc made out of HSLA material

When performing free-air calibration

World Superbike

these Hi-Tech polylocks are designed for 7/16" Ultra Pro Magnum and Ultra Pro Magnum XD rockers

ARP Header Bolt - 3/8-16 in Thread - 0.875 in Long - 12 Point Head - Chromoly - Black Oxide - Universal - Set of 12 AA0220BG1R57 The Aero 33 Series BeadlockProduct Description: Header Bolt 3 8 16 in Thread 0. 875 in Long 12 Point Head Chromoly Black Oxide Universal Set of 12 Since 1968, ARP is the fastener of champions and the world leader in fastener technology.