Cummins ISX/X15 (SOHC) STAGE 6 Cylinder Head racing The Sequence of Display Colors

The Sequence of Display Colors are Blue

Mack 713 (2006–2007)

Application: Truck (Class 3-8)

Pre-Emission Engine

408963700HX

Cummins ISX/X15 (SOHC) STAGE 6 Cylinder Head racing The Sequence of Display ColorsStage 6 Cummins ISX (SOHC) Fire Ringed Performance Cylinder Head SKU: 054389 The Stage 6 Cummins ISX Cylinder Head is the strongest option we offer. Built with a CGI casting, Inconel intake and exhaust valves, and stainless steel fire rings, this head is engineered for extreme durability. Designed for severe duty work trucks and performance applications, Stage 6 provides maximum resistance to cracking, valve failure, and head gasket issues. Key