Behind The 8 is a premier Canadian supplier and distributor of heavy-duty diesel engine replacement cylinder heads, tailored for Cummins, Caterpillar, and other high-performance diesel applications. With over 25 years of industry experience, the company maintains a robust western Canada-based inventory—eliminating wait times, exchange hassles, and foreign import concerns. Their cylinder heads, manufactured by Jereh Power Tech—a leading aftermarket provider in North America—feature fully automated foundry production, CNC machining, and stringent quality control in compliance with IATF 16949 and ISO 9001 standards. Every unit includes premium Stage 3 Inconel intake and exhaust valves for enhanced thermal tolerance and long-lasting durability. Proudly serving both professional repair shops and DIY mechanics, they aim to minimize downtime with fast delivery—often same-day within Edmonton—and standardized ordering and shipping beyond the region. With a focus on performance, reliability, and seamless service, Behind The 8 delivers factory-grade diesel engine components backed by expertise and warranty assurance.