JP Performance 5989 Billet Double Roller Timing Set for Big Block Mopar

The JP Performance 5989 is a high-quality billet steel timing chain set designed specifically for Mopar Big Block B and RB-series engines, including popular 383 and 440 cubic inch applications. This precision-engineered timing set ensures accurate valve timing and long-lasting durability in both street and performance engine builds.

Key Features:

• Double roller chain design for superior strength and reduced timing chain stretch
• CNC-machined billet steel construction for maximum durability and precision
• 9-keyway adjustable timing for fine-tuning ignition timing in 2-degree increments
• Single-bolt cam gear design for simplified installation and removal
• Compatible with Mopar B-series and RB-series Big Block engines
• Complete kit includes timing chain, gears, and hardware

This timing set replaces factory timing components and provides the reliability needed for high-performance applications. The adjustable keyway design allows engine builders to advance or retard cam timing without disassembling the engine, making it ideal for tuning and optimizing engine performance.