ARP Harmonic Balancer Bolt - 3.500" Long - 27 mm 12 Point Head - Chromoly - Black Oxide - Nissan CHOPCXS It includes a knife-edged bead

It includes a knife-edged bead hump and includes an IMCA sanctioning sticker

XRP is one of the leading names in performance automotive plumbing components

Be ready for anything with Bell’s Pro Series

Fit 5/8" diameter valve stem hole for use with center reliefs and Schrader (Fill) valve (ALL44065)

ARP Harmonic Balancer Bolt - 3.500" Long - 27 mm 12 Point Head - Chromoly - Black Oxide - Nissan CHOPCXS It includes a knife-edged beadProduct Description: Harmonic Balancer Bolt 18 mm x 1. 50 Thread 3. 500 in Long 27 mm 12 Point Head Chromoly Black Oxide Nissan Sold Individually Since 1968, ARP is the fastener of champions and the world leader in fastener technology.