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ARP Diesel Head Stud KitPart #: 247 4202, 247 4203, 247 4204 It is a proven fact that OEM head bolts are the weak link in a diesel engine, especially if the engine has been modified. Typically they are assembled from the factory using Torque To Yield bolts and preloaded to yield and sometimes more. Any increase in combustion pressure can lead to problems like blown head gaskets or catastrophic engine failure. It is for good reason that virtually every top professional engine

Improved Heat Dissipation

High-Performance Cylinder Head Includes:

EGT Backdown Adjustment

Powder Coating can take up to 3 weeks before it ships

This keeps installation simple and ensures long-term stability under vibration or heat

and two-piece intake bridge to an unobstructed 3" flow path

- CNC Machined Billet Aluminum Filter Head

2 Injector Return line Seals

New connecting tubes are highly recommended

Regulator Extension Harness

2nd band failure and 3rd clutch failure

you have a lifter that has a roller wheel that rides on the camshaft as it rotates to actuate the valves