Secondary Timing Chain Arm for Jeep 99-06 Gr. Cherokee, 06 Commander w/ 4.7L Eng Crown Automotive Engine and Components - Rockers & Pushrods - Engine Rocker Arm Nut The IROK ND has the

The IROK ND has the same performance characteristics as the famous IROK with one major difference

This allows racers to reliably increase boost and advance ignition timing-without using high-octane racing fuel-for power gains of up to 20 percent

Nitro-series gas shocks for smooth on/off-road performance

This system provides full control of the SDU for programming torque curves

This raw steel support piece is expertly engineered to provide robust reinforcement while maintaining the original design aesthetics of your vehicle

Secondary Timing Chain Arm for Jeep 99-06 Gr. Cherokee, 06 Commander w/ 4.7L Eng Crown Automotive Engine and Components - Rockers & Pushrods - Engine Rocker Arm Nut The IROK ND has theSecondary Timing Chain Arm for Jeep 1999 2006 WJ, WG, WK, WH Grand Cherokee and 2006 XK, XH Commander, All w 4. 7L Engine, Left or Right Features and Benefits: (2) Required 12 Month Warranty For Models w 4. 7L Engine Left or Right Secondary Sold Individually Use Existing Hardware Details: Material: Metal, Plastic Finish: Unpainted Location: Left or Right Hardware Included: Use Existing Hardware Application: 1999 2004 Jeep WJ Grand Cherokee w 4. 7L