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Arp

Arp

ARP Olds 350-455 71/6in 12pt head bolt kit

SKU: ARP280-3700

Cylinder Head Fasteners

ARP Head Bolt Kits...

Arp

Arp

ARP Olds 350-455 71/6in 12pt head bolt kit

SKU: ARP280-3700

Cylinder Head Fasteners

ARP Head Bolt Kits...

A$344.05
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

The Pro Series cylinder head bolts from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi. The Pro Series are also available with hex and 12-point heads. All kits come complete with hardened parallel washers for even load distribution and accurate torque readings.

Part Type

Cylinder Head Fasteners

Data: v4.2 - Upd: 2026-10-13 21:31:43

Specifications

Product Attributes - Brand
ARP
Product Attributes - Manufacturer's Part Number
280-3700
Product Attributes - Part Type
Cylinder Head Fasteners
Product Attributes - Product Line
ARP Pro Series Cylinder Head Bolt Kits
Product Attributes - UPC
672036011604
Product Attributes - Fastener Style
Bolt
Product Attributes - Thread Size
7/16 in.-20
Product Attributes - Undercut Stud
No
Product Attributes - Head Style
12-point
Product Attributes - Fastener Material
8740 chromoly
Product Attributes - Fastener Color
Black
Product Attributes - Washers Included
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Arp
StreetFX SKU arp280-3700
SFX Item ID 4368278
Supplier Item Code 4368278
Manufacturer SKU 280-3700
Manufacturer UPC 672036011604
Alternative References 71/6in, 12pt

Compatibility

Application Data
  • MakeOLDSMOBILE
    Beginning Year1965
    Ending Year1967
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size7.0L/425
    Cylinder Head TypeEdelbrock Performer RPM
  • MakeOLDSMOBILE
    Beginning Year1965
    Ending Year1967
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size7.0L/425
    Cylinder Head TypeStock configuration
  • MakeOLDSMOBILE
    Beginning Year1965
    Ending Year1969
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size6.6L/400
    Cylinder Head TypeEdelbrock Performer RPM
  • MakeOLDSMOBILE
    Beginning Year1965
    Ending Year1969
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size6.6L/400
    Cylinder Head TypeStock configuration
  • MakeOLDSMOBILE
    Beginning Year1968
    Ending Year1976
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
    Cylinder Head TypeEdelbrock Performer RPM
  • MakeOLDSMOBILE
    Beginning Year1968
    Ending Year1976
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
    Cylinder Head TypeStock configuration
  • MakeOLDSMOBILE
    Beginning Year1968
    Ending Year1976
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size7.5L/455
    Cylinder Head TypeEdelbrock Performer RPM
  • MakeOLDSMOBILE
    Beginning Year1968
    Ending Year1976
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size7.5L/455
    Cylinder Head TypeStock configuration
  • MakeOLDSMOBILE
    Beginning Year1977
    Ending Year1979
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size6.6L/403
    Cylinder Head TypeEdelbrock Performer RPM
  • MakeOLDSMOBILE
    Beginning Year1977
    Ending Year1979
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size6.6L/403
    Cylinder Head TypeStock configuration

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