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Ships within 48 hours · Estimated delivery Oct 7 - Oct 12
Built For Serious Rebuilds
Made to support most stock engine horsepower to one with small modifications up to 600hp
Engineered Beyond Standard
78mm Billet compressor wheel
32 AR Exhaust Housing
PDI Big Boss™ Cryo‑Treated CAT 3406E/C15/C16 Head Stud Kit 3773569 Built For Serious RebuildsAvailable for: All CAT 3406E, C15, and C16 Engines Key Benefits Triple Step Cryogenic Cycle Parallel Ground Hardened Washers Superior fatigue resistance Torque Accuracy Thermal Stability Corrosion Protection Ready to Install Kit Warranty: 1 Year Unlimited Mile Warranty Upgrade cylinderhead integrity and lock in longterm performance with PDIs premium cryogenictreated head stud kit. Preload is set on the nut, not twisted through the studyielding up to
