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ARP 247-4205 Head Stud Kit Custom Age - 625+ 12-Point

(1994-1997 Dodge Ram 2500; 1994-1997 Dodge Ram 3500)

Part of: ARP Custom Age Head Stud Kit

Other options in this family: ARP 2604704 ARP 203-4706 ARP 203-4207 ARP 2344314 ARP 207-4207

Manufacturer

Picture for manufacturer ARP

Part Number

247-4205
15 reviews
Sale Price

$1,320.87

In Stock (5)

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Usually delivered within 2 days

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Product Details

The ARP 247-4205 is a premium head stud kit from ARP's Custom Age 625+ Series, featuring 12-point heads for superior clamping force and durability in high-performance and racing applications. This kit represents the pinnacle of fastener technology, trusted by professional engine builders worldwide.

Premium Materials and Heat Treatment:

  • Constructed from premium grade 8740 chrome moly alloy rated at 200,000 psi
  • Each stud is vertically rack heat-treated to ensure complete and uniform heat penetration
  • Centerless ground to exacting tolerances for near-perfect concentricity
  • Thread rolled after heat treatment for approximately 1000% better fatigue strength
  • 12-point head design provides multiple engagement angles and reduces the chance of rounding

Engineering Advantages:

  • Precision manufacturing ensures cylinder heads and gaskets align perfectly during installation
  • Undercut shorter studs equalize stretch for more consistent clamping force
  • Compensates for head gasket compression to help prevent blown gaskets
  • Provides more accurate and consistent torque loading compared to bolts
  • Studs stretch only on the vertical axis during torquing, eliminating twisting forces

Kit Includes:

  • Premium heat-treated 8740 chrome moly steel studs
  • Hardened parallel-ground washers for even load distribution and accurate torque readings
  • 12-point nuts for secure fastening

ARP studs are manufactured to such precise tolerances that components literally glide into position during assembly. Each piece is stamped with the ARP logo as assurance of quality and authenticity. This Custom Age 625+ Series kit is designed for serious performance applications where engine reliability and maximum clamping force are critical.

Installation Note: Studs should be installed finger-tight in a relaxed mode. After initial torquing and engine run-in, re-torque all fasteners to compensate for head gasket compression.

Products specifications

Fits

1994-1997 Dodge Ram 2500; 1994-1997 Dodge Ram 3500

Cut to Fit

No

Fastener Finish

Black oxide

Fastener Material

Custom age 625

Fastener Style

Stud

Head Style

12-point

Notes

Fits 12-valve engines only.

Quantity

Sold as a kit.

Washers Included

Yes

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