ARP 234-2503 LS Crankshaft Balancer Damper Bolt | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LQ4 LQ9 L92 L76 L77 L96 | High-Strength Harmonic Balancer Bolt

The ARP 234-2503 Crankshaft Balancer Damper Bolt is a high-strength upgrade for GM LS engines, designed to deliver superior clamping force and durability compared to factory bolts. Manufactured from premium 8740 chrome moly steel and heat-treated for maximum strength, this bolt provides the reliability needed for high-performance street and race engines. Ideal for use with harmonic balancers/dampers, it ensures proper torque retention under extreme conditions. Whether you’re refreshing a stock build or assembling a boosted LS powerhouse, the ARP 234-2503 offers unmatched security and peace of mind.

• Premium ARP Construction – Made from 8740 chrome moly steel and heat-treated for extreme strength, far exceeding OEM crank bolt durability.
• Superior Clamping Force – Provides maximum torque retention to keep the harmonic balancer/damper securely fastened, even under high-RPM and high-horsepower conditions.
• Ideal for Performance Builds – Perfect for LS engines running aftermarket cams, boost, or racing applications where factory crank bolts may fall short.
• Wide LS Engine Fitment – Fits a broad range of GM LS engines including LS1, LS2, LS3, LQ4, LQ9, L92, L76, L77, and L96 in 4.8L–6.2L configurations.
• Proven ARP Reliability – Backed by ARP’s reputation for race-proven fasteners, ensuring consistent performance and long-term durability.