2022 ARP Catalog

137 It’s a proven fact that OEM head bolts are the weak link in a diesel engine; especially if the engine has been modified. That’s because Chevy Duramax, Dodge/Cummins and Ford Power Stroke engines are all assembled using “Torque To Yield” (TTY) bolts and preloaded to yield and beyond (typically 100-110%). Any increases in combustion pressure can lead to problems like blown head gaskets or catastrophic engine failure. And because TTY bolts are yielded by design, they should never be re-used. ARP solves the problem by offering stronger head studs that are designed for higher clamp- ing loads. They are available in several different strength materials to safely handle applica- tions from performance street to all-out competition. Similar improvements over factory TTY bolts are provided by high strength ARP main studs. And there’s more. With increased performance you need the extra security that ARP fly- wheel and flexplate bolts can provide. Given the growth in extreme diesel competition and street add-ons, ARP is continually devel- oping additional diesel kits. Please check our dedicated diesel site – ARPdiesel.com for the latest announcements and new kit information. ARP Diesel DIESEL

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