Cummins ISX Rocker Arm Set - Intake + Exhaust Rocker Arm Set | 4059413 westernstar Direct fit and replacement for

Direct fit and replacement for the more costly OEM clamp

ensuring a tight fit with no exhaust leaks

388 (2008 - 2015)

this pipe is ready for both OEM replacements and custom performance setups

Cummins ISX Rocker Arm Set - Intake + Exhaust Rocker Arm Set | 4059413 westernstar Direct fit and replacement forAvailable For: Cummins ISX 1998 2018 (Single Overhead Cam) Upgrade your Cummins ISX with this complete set of 12 forged rocker arms including: 3 front intake 3 rear intake 3 front exhaust 3 rear exhaust Unlike cast rockers, these are forged under extreme pressure, which aligns the metal's grain structure for significantly greater strength and resistance to cracking or fatigue under high load diesel operation. A direct OEM replacement for Cummins ISX