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Arp

Arp

ARP Jeep 3.8L & 4.2L w/ 4.0L Head 7/16in Head Bolt Kit

SKU: ARP146-3603

Cylinder Head Fasteners

ARP Head Bolt Kits...

Arp

Arp

ARP Jeep 3.8L & 4.2L w/ 4.0L Head 7/16in Head Bolt Kit

SKU: ARP146-3603

Cylinder Head Fasteners

ARP Head Bolt Kits...

Sale ends in Calculating...

A$185.92 A$252.08
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

ARP High Performance Series head bolt kits are tough. They are rated at 180,000 psi--15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12-point head that help eliminate the need for valvetrain removal when re-torqueing cylinder heads.

Additional Information

7/16 Bolts w/two different Length's

Part Type

Head Bolt Kit 6pt. Jeep 232/258 6cyl w/4.0L Head

Data: v4.2 - Upd: 2026-10-13 21:34:11

Specifications

Product Attributes - Brand
ARP
Product Attributes - Manufacturer's Part Number
146-3603
Product Attributes - Part Type
Cylinder Head Fasteners
Product Attributes - Product Line
ARP High Performance Series Cylinder Head Bolt Kits
Product Attributes - UPC
672036046279
Product Attributes - Fastener Style
Bolt
Product Attributes - Thread Size
7/16 in.-14
Product Attributes - Undercut Stud
No
Product Attributes - Head Style
Hex
Product Attributes - Fastener Material
Chromoly
Product Attributes - Fastener Color
Black
Product Attributes - Washers Included
Yes
Product Attributes - Washer Style
Flat
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Fits engines with a 4.0L cylinder head. Kit contains bolts that are 2 different lengths.

Reference Information

Brand Name/s Arp
StreetFX SKU arp146-3603
SFX Item ID 4366366
Supplier Item Code 4366366
Manufacturer SKU 146-3603
Manufacturer UPC 672036046279
Alternative References 3.8L, 4.2L, 4.0L, 7/16in

Compatibility

Application Data
  • MakeJEEP
    Beginning Year1964
    Ending Year1978
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size3.8L/232
  • MakeJEEP
    Beginning Year1971
    Ending Year1990
    Engine TypeL6
    Engine FamilyAMC L6 GAS
    Engine Size4.2L/258

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