Product Description

ARP 150-2506 CRANK FLANGE ADAPTER BOLT KIT FOR 2008–2010 FORD 6.4 POWERSTROKE

Upgrade the driveline integrity of your 2008–2010 Ford 6.4L Powerstroke with the ARP 150-2506 crank flange adapter bolt kit. These premium 12-point, M12 x 1.25 fasteners are engineered from 8740 chromoly and finished in black oxide for exceptional clamp load and corrosion resistance—exactly what you expect from ARP diesel fasteners. Designed to handle the shock loads of tuned trucks and hard working tow rigs, this kit is a direct-fit solution for restoring confidence at the crankshaft-to-flexplate interface. For complete engine fastening, pair with ARP 150-2505 balancer bolt kit, ARP 150-2902 flexplate bolt kit, ARP 150-2802 flywheel bolt kit (manual), and ARP 250-4203 head stud kit. Use with ARP Ultra-Torque assembly lubricant for accurate torque and repeatable preload.

Fitment

• 2008, 2009, 2010 Ford F-250/F-350/F-450/F-550 Super Duty — 6.4L Powerstroke Diesel
• Position: Crankshaft flange adapter (crank-to-flexplate interface)
• Thread Size: M12 x 1.25
• Head Style: 12-point flange

WHAT MATERIAL ARE THESE BOLTS MADE FROM?

8740 chromoly steel with black oxide finish for high tensile strength and corrosion resistance.

WHAT TORQUE SHOULD I USE?

Torque to 100 ft-lbs using Loctite 242 on threads and ARP Ultra-Torque under the head, per ARP instructions.

ANY SPECIAL INSTALL NOTES?

Replace and tighten one bolt at a time in a crisscross pattern. Do not remove all bolts at once.

WHAT OTHER ARP HARDWARE DO YOU RECOMMEND WITH THIS KIT?

For a complete solution, add ARP 150-2505 balancer bolt kit, ARP 150-2902 flexplate bolt kit, and ARP 250-4203 head studs.

Cross-Reference / Related ARP Products (CPP Diesel)

• ARP 150-2505 — Balancer Bolt Kit (6.0L/6.4L)
• ARP 150-2902 — Flexplate Bolt Kit (Automatic, 6.0L/6.4L)
• ARP 150-2802 — Flywheel Bolt Kit (Manual, 6.4L)
• ARP 150-5802 — Main Stud Kit (6.4L)
• ARP 250-4203 — Head Stud Kit (6.4L)
• Shop All ARP at CPP Diesel

Specifications for ARP 150-2506