Harmonic Damper Bolt Kit Chevrolet Small Block Kit #: 134-2501 SpecificationsSocket Size(s)5/8 12ptUHL2.470˝Thread Size7/16-20washer includedYes.
ARP 134-2501 Damper Harmonic Balancer Bolt for Chevy Small Block 305 327 350 400
ARP 135-2501 Chevy Big Block 396 402 427 454 Damper / Harmonic Balancer Bolt
ARP 234-2503 Harmonic Damper Balancer Bolt Kit Chevy LS1 LS2 LS3 LS6 Gen III
ARP 135-2501 Damper Harmonic Balancer Bolt Kit Chevy Big Block 396 427 454 502
ARP 235-2501 Damper Harmonic Balancer Bolt Kit Chevy Big Block 396 427 454 502
ARP 156-2501 Damper Harmonic Balancer Bolt Kit 12 pt Ford 4.6L Modular Mustang
