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ARP 154-5604 Main Cap Stud Kit Chrome Moly - 4-Bolt

(Ford F-150 1977-79, 1984-87, Bronco 1978-79, 1984-87, Galaxie 500 1969-74, F-250 Pickup 1977-79, 1984-87, Fairlane 1969-70 + 12 more models)

Part of: ARP Main Cap Stud Kit Chrome Moly

Other options in this family: ARP 234-5608 ARP 203-5405 ARP 156-5401 ARP 145-5404 ARP 202-5406

Manufacturer

Picture for manufacturer ARP

Part Number

154-5604
10 reviews
Sale Price

$161.33

3 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The ARP 154-5604 main stud kit is engineered to eliminate main cap walk and fretting while protecting the threads in your engine block. This comprehensive kit includes hardened parallel-ground washers and high-quality nuts for secure, reliable installation.

Key Features:

  • Manufactured from 8740 chrome moly steel for exceptional strength and durability
  • Heat-treated in-house to 200,000 psi tensile strength
  • Precision J-form threads rolled after heat-treat for 1000% stronger threads than conventional fasteners
  • 4-bolt main configuration for maximum main cap security
  • Includes hardened parallel-ground washers and premium nuts
  • Select applications feature standoff studs with serrated lock nuts for windage tray mounting

ARP main studs provide the superior clamping force and reliability demanded by professional engine builders and serious enthusiasts. The post-heat-treat thread rolling process creates fasteners with dramatically improved fatigue life compared to standard main bolts, making this kit ideal for high-performance street engines and competition applications where main cap stability is critical.

Products specifications

Fits

Ford F-150 1977-79, 1984-87, Bronco 1978-79, 1984-87, Galaxie 500 1969-74, F-250 Pickup 1977-79, 1984-87, Fairlane 1969-70, F-350 Pickup 1977-79, 1984-87, E-350 Econoline 1975-79, 1985-87, Gran Torino 1972-76 + 9 more models

Fastener Nut Style

Standard hex

Fastener Style

Stud

Fastener Yield Strength (psi)

200,000 psi

Main Bolt Style

4-bolt

Nuts Included

Yes

Quantity

Sold as a kit.

Washers Included

Yes

Works with Windage Tray

No

Fine so far

ALL GOOD

Excellent

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