GM LS7/LT1 Balancer Bolt Kit 12pt. - 234-2504 - Auto Racing Products

Harmonic Balancer Bolt - 16 mm x 2.00 Thread - 5.185 in Long - 1-1/16 in 12 Point Head - Washer Included - Chromoly - Black Oxide - LS7 - GM LS-Series - Each