Zeki Cummins ISX Turbo | Stage 1 ACCESSORIES AND APPAREL We've found that ARP makes

We've found that ARP makes the best and longest lasting head studs

Upgrade your C15 with the ultimate manifold—crafted from CNC billet steel for unmatched performance

increases exhaust efficiency

7L (500–600 HP)

Experience the difference with MaxTow's temperature sensors and wiring harnesses

Zeki Cummins ISX Turbo | Stage 1 ACCESSORIES AND APPAREL We've found that ARP makesZeki Stage 1 Turbo for Cummins ISX High Performance Upgrade (500 600 HP) Part Number : 054346 Maximize power and efficiency in your Cummins ISX with the Zeki Stage 1 Turbo. Designed for 500 600 HP applications, this non wastegated turbo provides faster spool up, improved throttle response, and lower exhaust temperatures. Whether you're looking for better pulling power or fuel economy gains, this turbo is engineered to keep your ISX running at peak