






🔧 Lock in power, unlock performance.
The ARP 234-2503 Harmonic Balancer Damper Bolt is a high-strength chromoly steel bolt with a 12-point head, engineered to securely lock harmonic balancers on Gen III and IV LS engines ranging from 4.8L to 6.2L. Designed for wet sump engines, it prevents crankshaft flex damage by maintaining a firm balancer position, ensuring enhanced engine reliability and performance.
| Manufacturer | ARP |
| Brand | Michigan Motorsports |
| Model | Bolt |
| Item Weight | 1.01 pounds |
| Product Dimensions | 10 x 6 x 1.75 inches |
| Item model number | 234-2503 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 234-2503 |
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