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ARP Harmonic Balancer Bolt Kit Head

(Ford F-150 1975-76, 1985-2001, Explorer 1996-2001, Expedition 1997-2001, Bronco 1968, 1985-96, Excursion 2000-01, F-250 Pickup 1960-62 + 73 more models)

Manufacturer

Picture for manufacturer ARP

Part Number

11 part numbers · from $23.36
5 reviews
Sale Price

from $23.36

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The ARP harmonic balancer bolt kit (also called a crankshaft damper bolt or crank pulley bolt) secures the harmonic balancer to the crankshaft. ARP builds these fasteners for street performance, racing, and heavy-duty use. They replace factory bolts that can stretch or loosen under high load.

Key Features:

  • Made from high-strength alloy steel for durability under high torque and vibration
  • Rolled threads for improved fatigue resistance and clamping consistency
  • Precision-machined heads for proper seating against the balancer or washer
  • Heat treated and finished for corrosion resistance
  • Manufactured in the USA under ARP's quality control standards
  • Designed to be reused according to ARP's guidelines, with the supplied assembly lubricant used during installation

ARP is known for performance fasteners, and its harmonic balancer bolts help keep the balancer secure when engine loads and RPM are high. Check the individual part listing for the thread size, length, head style, and kit contents.

Products specifications

Fits

Ford F-150 1975-76, 1985-2001, Explorer 1996-2001, Expedition 1997-2001, Bronco 1968, 1985-96, Excursion 2000-01, F-250 Pickup 1960-62, E-350 Econoline 1980-82, 1997-2001, E-150 Econoline 1986-2001 + 71 more models

Select yours to see vehicle-specific options.

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11 items

Picture of ARP 245-2501 Harmonic Balancer Bolt Kit with 12-Point Head Picture of ARP 245-2501 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 245-2501 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromemoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point
NotesFits Keith Black Hemi type engines.
Overall Diameter3/4-16
QuantitySold individually.
Socket1-1/16
Thread Size3/4-16 in.
UHL1.42
Underhead Length (in)1.420 in.
Washer IncludedYes
$26.48
PART NUMBER: 245-2501
In Stock (10+)
Usually delivered within 2 days
Picture of ARP 235-2502 Harmonic Balancer Bolt Kit with 12-Point Head Picture of ARP 235-2502 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 235-2502 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromemoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point
NotesThis bolt requires a 1 1/16 in. socket.
Overall Diameter1/2-20
QuantitySold individually.
Socket1-1/16
Thread Size1/2-20 RH in.
UHL1.55
Underhead Length (in)1.550 in.
Washer IncludedYes
$29.79
PART NUMBER: 235-2502
In Stock (10+)
Usually delivered within 2 days
Picture of ARP 207-2501 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 207-2501 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point
Notes19mm socket size.
Overall DiameterM14 x 1.50
QuantitySold individually.
Socket19mm
Thread Size14mm x 1.50
UHL1.525
Underhead Length (in)1.525 in.
Washer IncludedYes
$32.99
PART NUMBER: 207-2501
In Stock (10)
Usually delivered within 2 days
Picture of ARP 180-2501 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 180-2501 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener Material8740 chromemoly
Fastener Yield Strength (psi)200,000 psi
Head StyleHex
Overall Diameter3/4-16
QuantitySold individually.
Socket13/16
Thread Size3/4-16 in.
UHL1.3
Underhead Length (in)1.300 in.
Washer IncludedYes
$23.36
PART NUMBER: 180-2501
In Stock (8)
Usually delivered within 2 days
Picture of ARP 150-2501 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 150-2501 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromemoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point
Overall Diameter5/8-18
QuantitySold individually.
Socket5/8
Thread Size5/8-18 RH in.
UHL2.05
Underhead Length (in)2.050 in.
Washer IncludedYes
$36.20
PART NUMBER: 150-2501
In Stock (7)
Usually delivered within 2 days
Picture of ARP 234-2502 Harmonic Balancer Bolt Kit with 12-Point Head Picture of ARP 234-2502 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 234-2502 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromemoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point
Overall Diameter7/16-20
QuantitySold individually.
Socket1-1/16
Thread Size7/16-20 RH in.
UHL2.47
Underhead Length (in)2.470 in.
Washer IncludedYes
$31.16
PART NUMBER: 234-2502
In Stock (7)
Usually delivered within 2 days
Picture of ARP 208-2501 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 208-2501 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point/Hex combo
Notes19mm socket size.
Overall DiameterM14 x 1.25
QuantitySold individually.
Socket19mm
Thread Size14mm x 1.50
UHL1.35
Underhead Length (in)1.350 in.
Washer IncludedYes
$32.56
PART NUMBER: 208-2501
In Stock (6)
Usually delivered within 2 days
Picture of ARP 120-2501 Harmonic Balancer Bolt Kit with 12-Point Head Picture of ARP 120-2501 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 120-2501 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromemoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point
Overall Diameter3/4-16
QuantitySold individually.
Socket13/16
Thread Size3/4-16 in.
UHL1.3
Underhead Length (in)1.300 in.
Washer IncludedYes
$23.38
PART NUMBER: 120-2501
In Stock (6)
Usually delivered within 2 days
Picture of ARP 234-2504 Harmonic Balancer Bolt Kit Head - 12-Point
ARP 234-2504 Harmonic Balancer Bolt Kit Head - 12-Point
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point
Overall DiameterM16 x 2.0
QuantitySold individually.
Socket1-1/16
Thread Size16mm x 2.0
UHL5.225
Underhead Length (in)5.225 in.
Washer IncludedYes
$37.22
PART NUMBER: 234-2504
3 left at this price
Usually delivered within 2 days
Picture of ARP 235-2501 Harmonic Balancer Bolt Kit with 12-Point Head Picture of ARP 235-2501 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 235-2501 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromemoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point
NotesThis bolt requires a 13/16 in. socket.
Overall Diameter1/2-20
QuantitySold individually.
Socket13/16
Thread Size1/2-20 RH in.
UHL1.55
Underhead Length (in)1.500 in.
Washer IncludedYes
$28.82
PART NUMBER: 235-2501
3 left at this price
Usually delivered within 2 days
Picture of ARP 234-2501 Harmonic Balancer Bolt Kit with 12-Point Head
ARP 234-2501 Harmonic Balancer Bolt Kit with 12-Point Head
Description
Specifications
Fastener FinishBlack oxide
Fastener MaterialChromemoly
Fastener Yield Strength (psi)200,000 psi
Head Style12-point
NotesFeatures 13/16 in. socket size.
Overall Diameter7/16-20
QuantitySold individually.
Socket13/16
Thread Size7/16-20 RH in.
UHL2.47
Underhead Length (in)2.470 in.
Washer IncludedYes
$28.86
PART NUMBER: 234-2501
2 left at this price
Usually delivered within 2 days
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The part took a long time to get here because it was on back order but they came through so I am happy with that!

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