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Hepfner Racing Products offers a wide range of machined components. We can also custom make items to your specifications with our in house machine shop. Call or send us a print today.

King Pin Bosses

Picture for category King Pin Bosses

Threaded Tube Ends

Picture for category Threaded Tube Ends

Spacer Kits

Picture for category Spacer Kits

Titanium Bosses

Picture for category Titanium Bosses

1/2" OD x 1/4-20 Thread

Picture for category 1/2" OD x 1/4-20 Thread

1/2" OD x 1/4-28 Thread

Picture for category 1/2" OD x 1/4-28 Thread

5/8" OD x 5/16-18 Thread

Picture for category 5/8" OD x 5/16-18 Thread

5/8" OD x 5/16-24 Thread

Picture for category 5/8" OD x 5/16-24 Thread

5/8" OD x 3/8-16 Thread

Picture for category 5/8" OD x 3/8-16 Thread

5/8" OD x 3/8-24 Thread

Picture for category 5/8" OD x 3/8-24 Thread

5/8" OD x 7/16-20 Thread

Picture for category 5/8" OD x 7/16-20 Thread

3/4" OD x 7/16-14 Thread

Picture for category 3/4" OD x 7/16-14 Thread

3/4" OD x 7/16-20 Thread

Picture for category 3/4" OD x 7/16-20 Thread

3/4" OD x 1/2-13 Thread

Picture for category 3/4" OD x 1/2-13 Thread

3/4" OD X 1/2-20 Thread

Picture for category 3/4" OD X 1/2-20 Thread

1/2" OD x 3/8" ID Thru

Picture for category 1/2" OD x 3/8" ID Thru

1/2" OD x 5/16" ID Thru

Picture for category 1/2" OD x 5/16" ID Thru

1/2" OD x 1/4" ID Thru

Picture for category 1/2" OD x 1/4" ID Thru

1/2" OD x 3/16" ID Thru

Picture for category 1/2" OD x 3/16" ID Thru

5/8" OD x 7/16" ID Thru

Picture for category 5/8" OD x 7/16" ID Thru

5/8" OD x 3/8" ID Thru

Picture for category 5/8" OD x 3/8" ID Thru

5/8" OD x 5/16" ID Thru

Picture for category 5/8" OD x 5/16" ID Thru

3/4" OD x 1/2" ID Thru

Picture for category 3/4" OD x 1/2" ID Thru

3/4" OD x 7/16" ID Thru

Picture for category 3/4" OD x 7/16" ID Thru

7/8" OD x 5/8" ID Thru

Picture for category 7/8" OD x 5/8" ID Thru

1.0" OD x 3/4" ID Thru

Picture for category 1.0" OD x 3/4" ID Thru

Pinch Tube Bosses

Picture for category Pinch Tube Bosses

Specialty Bosses

Picture for category Specialty Bosses
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Picture of Boss 4" Long 1/4 X 20, Material 0.50 OD x 0.156, 4130

Boss 4" Long 1/4 X 20, Material 0.50 OD x 0.156, 4130

HRP3422M
$11.25
Picture of Boss 4" Long 5/16 X 18, Material 0.625 OD x 0.187, 4130

Boss 4" Long 5/16 X 18, Material 0.625 OD x 0.187, 4130

HRP3422N
$11.25
Picture of Boss 4" Long 3/8 X 16, Material 0.625 OD x 0.156, 4130

Boss 4" Long 3/8 X 16, Material 0.625 OD x 0.156, 4130

HRP3422O
$11.25
Picture of Boss 4" Long 7/16 X 14, Material 0.750 OD x 0.250, 4130

Boss 4" Long 7/16 X 14, Material 0.750 OD x 0.250, 4130

HRP3422P
$11.25
Picture of Boss 4" Long 1/2 X 13, Material 0.75 OD x 0.156, 4130

Boss 4" Long 1/2 X 13, Material 0.75 OD x 0.156, 4130

HRP3422Q
$11.25
Picture of Boss 4" Long 3/8 ID Thru, Material 0.50 OD x 0.065, 4130

Boss 4" Long 3/8 ID Thru, Material 0.50 OD x 0.065, 4130

HRP3422R
$11.50
Picture of Boss 4" Long 5/16 ID Thru, Material 0.50 OD x 0.095, 4130

Boss 4" Long 5/16 ID Thru, Material 0.50 OD x 0.095, 4130

HRP3422S
$11.25
Picture of Boss 4" Long 1/4 ID Thru, Material 0.50 OD x 0.120, 4130

Boss 4" Long 1/4 ID Thru, Material 0.50 OD x 0.120, 4130

HRP3422T
$11.50
Picture of Boss 4" Long 3/16 ID Thru, Material 0.50 OD x 0.156, 4130

Boss 4" Long 3/16 ID Thru, Material 0.50 OD x 0.156, 4130

HRP3422U
$11.50
Picture of Boss 4" Long 7/16 ID Thru, Material 0.625 OD x 0.095, 4130

Boss 4" Long 7/16 ID Thru, Material 0.625 OD x 0.095, 4130

HRP3422V
$11.50
Picture of Boss 4" Long 3/8 ID Thru, Material 0.625 OD x 0.120, 4130

Boss 4" Long 3/8 ID Thru, Material 0.625 OD x 0.120, 4130

HRP3422W
$11.50
Picture of Boss 4" Long 5/16 ID Thru, Material 0.625 OD x 0.156, 4130

Boss 4" Long 5/16 ID Thru, Material 0.625 OD x 0.156, 4130

HRP3422X
$11.50
Picture of Boss 4" Long 1/2 ID Thru, Material 0.750 OD x 0.120, 4130

Boss 4" Long 1/2 ID Thru, Material 0.750 OD x 0.120, 4130

HRP3422Y
$11.50
Picture of Boss 4" Long 3/4 ID Thru, Material 1.00 OD x 0.120, 4130

Boss 4" Long 3/4 ID Thru, Material 1.00 OD x 0.120, 4130

HRP3422YY
$11.50
Picture of Boss 4" Long 7/16 ID Thru, Material 0.750 OD x 0.156, 4130

Boss 4" Long 7/16 ID Thru, Material 0.750 OD x 0.156, 4130

HRP3422Z
$11.50
Picture of Boss 4" Long 5/8 ID Thru, Material 0.875 OD x 0.120, 4130

Boss 4" Long 5/8 ID Thru, Material 0.875 OD x 0.120, 4130

HRP3422ZZ
$12.75
Picture of Boss 4 1/4" Long 1/4 x 28, Material 0.50 OD x 0.156, 4130

Boss 4 1/4" Long 1/4 x 28, Material 0.50 OD x 0.156, 4130

HRP3423A
$11.50
Picture of Boss 4 1/4" Long 5/16 x 24, Material 0.625 OD x 0.187, 4130

Boss 4 1/4" Long 5/16 x 24, Material 0.625 OD x 0.187, 4130

HRP3423B
$11.50
Picture of Boss 4 1/4" Long 3/8 X 24, Material 0.625 OD x 0.156, 4130

Boss 4 1/4" Long 3/8 X 24, Material 0.625 OD x 0.156, 4130

HRP3423C
$11.50
Picture of Boss 4 1/4" Long 7/16 X 20, Material 0.750 OD x 0.250, 4130

Boss 4 1/4" Long 7/16 X 20, Material 0.750 OD x 0.250, 4130

HRP3423D
$11.50
Picture of Boss 4 1/4" Long 1/2 X 20, Material 0.75 OD x 0.156, 4130

Boss 4 1/4" Long 1/2 X 20, Material 0.75 OD x 0.156, 4130

HRP3423E
$11.50
Picture of Boss 4 1/4" Long 7/16 X 20, Material 0.625 OD x 0.120, 4130

Boss 4 1/4" Long 7/16 X 20, Material 0.625 OD x 0.120, 4130

HRP3423G
$11.50
Picture of Boss 4 1/4" Long 1/4 X 20, Material 0.50 OD x 0.156, 4130

Boss 4 1/4" Long 1/4 X 20, Material 0.50 OD x 0.156, 4130

HRP3423M
$11.50
Picture of Boss 4 1/4" Long 5/16 X 18, Material 0.625 OD x 0.187, 4130

Boss 4 1/4" Long 5/16 X 18, Material 0.625 OD x 0.187, 4130

HRP3423N
$11.50
Picture of Boss 4 1/4" Long 3/8 X 16, Material 0.625 OD x 0.156, 4130

Boss 4 1/4" Long 3/8 X 16, Material 0.625 OD x 0.156, 4130

HRP3423O
$11.50
Picture of Boss 4 1/4" Long 7/16 X 14, Material 0.750 OD x 0.250, 4130

Boss 4 1/4" Long 7/16 X 14, Material 0.750 OD x 0.250, 4130

HRP3423P
$11.50
Picture of Boss 4 1/4" Long 1/2 X 13, Material 0.75 OD x 0.156, 4130

Boss 4 1/4" Long 1/2 X 13, Material 0.75 OD x 0.156, 4130

HRP3423Q
$11.50
Picture of Boss 4 1/4" Long 3/8 ID Thru, Material 0.50 OD x 0.065, 4130

Boss 4 1/4" Long 3/8 ID Thru, Material 0.50 OD x 0.065, 4130

HRP3423R
$11.75
Picture of Boss 4 1/4" Long 5/16 ID Thru, Material 0.50 OD x 0.095, 4130

Boss 4 1/4" Long 5/16 ID Thru, Material 0.50 OD x 0.095, 4130

HRP3423S
$11.50
Picture of Boss 4 1/4" Long 1/4 ID Thru, Material 0.50 OD x 0.120, 4130

Boss 4 1/4" Long 1/4 ID Thru, Material 0.50 OD x 0.120, 4130

HRP3423T
$11.75
Picture of Boss 4 1/4" Long 3/16 ID Thru, Material 0.50 OD x 0.156, 4130

Boss 4 1/4" Long 3/16 ID Thru, Material 0.50 OD x 0.156, 4130

HRP3423U
$11.75
Picture of Boss 4 1/4" Long 7/16 ID Thru, Material 0.625 OD x 0.095, 4130

Boss 4 1/4" Long 7/16 ID Thru, Material 0.625 OD x 0.095, 4130

HRP3423V
$11.75
Picture of Boss 4 1/4" Long 3/8 ID Thru, Material 0.625 OD x 0.120, 4130

Boss 4 1/4" Long 3/8 ID Thru, Material 0.625 OD x 0.120, 4130

HRP3423W
$11.75
Picture of Boss 4 1/4" Long 5/16 ID Thru, Material 0.625 OD x 0.156, 4130

Boss 4 1/4" Long 5/16 ID Thru, Material 0.625 OD x 0.156, 4130

HRP3423X
$11.75
Picture of Boss 4 1/4" Long 1/2 ID Thru, Material 0.750 OD x 0.120, 4130

Boss 4 1/4" Long 1/2 ID Thru, Material 0.750 OD x 0.120, 4130

HRP3423Y
$11.75
Picture of Boss 4 1/4" Long 3/4 ID Thru, Material 1.00 OD x 0.120, 4130

Boss 4 1/4" Long 3/4 ID Thru, Material 1.00 OD x 0.120, 4130

HRP3423YY
$11.75
Picture of Boss 4 1/4" Long 7/16 ID Thru, Material 0.750 OD x 0.156, 4130

Boss 4 1/4" Long 7/16 ID Thru, Material 0.750 OD x 0.156, 4130

HRP3423Z
$11.75
Picture of Boss 4 1/4" Long 5/8 ID Thru, Material 0.875 OD x 0.120, 4130

Boss 4 1/4" Long 5/8 ID Thru, Material 0.875 OD x 0.120, 4130

HRP3423ZZ
$13.00
Picture of Boss 4 1/2" Long 1/4 x 28, Material 0.50 OD x 0.156, 4130

Boss 4 1/2" Long 1/4 x 28, Material 0.50 OD x 0.156, 4130

HRP3424A
$11.75
Picture of Boss 4 1/2" Long 5/16 x 24, Material 0.625 OD x 0.187, 4130

Boss 4 1/2" Long 5/16 x 24, Material 0.625 OD x 0.187, 4130

HRP3424B
$11.75
Picture of Boss 4 1/2" Long 3/8 X 24, Material 0.625 OD x 0.156, 4130

Boss 4 1/2" Long 3/8 X 24, Material 0.625 OD x 0.156, 4130

HRP3424C
$11.75
Picture of Boss 4 1/2" Long 7/16 X 20, Material 0.750 OD x 0.250, 4130

Boss 4 1/2" Long 7/16 X 20, Material 0.750 OD x 0.250, 4130

HRP3424D
$11.75
Picture of Boss 4 1/2" Long 1/2 X 20, Material 0.75 OD x 0.156, 4130

Boss 4 1/2" Long 1/2 X 20, Material 0.75 OD x 0.156, 4130

HRP3424E
$11.75
Picture of Boss 4 1/2" Long 7/16 X 20, Material 0.625 OD x 0.120, 4130

Boss 4 1/2" Long 7/16 X 20, Material 0.625 OD x 0.120, 4130

HRP3424G
$11.75
Picture of Boss 4 1/2" Long 1/4 X 20, Material 0.50 OD x 0.156, 4130

Boss 4 1/2" Long 1/4 X 20, Material 0.50 OD x 0.156, 4130

HRP3424M
$11.75
Picture of Boss 4 1/2" Long 5/16 X 18, Material 0.625 OD x 0.187, 4130

Boss 4 1/2" Long 5/16 X 18, Material 0.625 OD x 0.187, 4130

HRP3424N
$11.75
Picture of Boss 4 1/2" Long 3/8 X 16, Material 0.625 OD x 0.156, 4130

Boss 4 1/2" Long 3/8 X 16, Material 0.625 OD x 0.156, 4130

HRP3424O
$11.75
Picture of Boss 4 1/2" Long 7/16 X 14, Material 0.750 OD x 0.250, 4130

Boss 4 1/2" Long 7/16 X 14, Material 0.750 OD x 0.250, 4130

HRP3424P
$11.75
Picture of Boss 4 1/2" Long 1/2 X 13, Material 0.75 OD x 0.156, 4130

Boss 4 1/2" Long 1/2 X 13, Material 0.75 OD x 0.156, 4130

HRP3424Q
$11.75
Picture of Boss 4 1/2" Long 3/8 ID Thru, Material 0.50 OD x 0.065, 4130

Boss 4 1/2" Long 3/8 ID Thru, Material 0.50 OD x 0.065, 4130

HRP3424R
$12.00
Picture of Boss 4 1/2" Long 5/16 ID Thru, Material 0.50 OD x 0.095, 4130

Boss 4 1/2" Long 5/16 ID Thru, Material 0.50 OD x 0.095, 4130

HRP3424S
$11.75
Picture of Boss 4 1/2" Long 1/4 ID Thru, Material 0.50 OD x 0.120, 4130

Boss 4 1/2" Long 1/4 ID Thru, Material 0.50 OD x 0.120, 4130

HRP3424T
$12.00
Picture of Boss 4 1/2" Long 3/16 ID Thru, Material 0.50 OD x 0.156, 4130

Boss 4 1/2" Long 3/16 ID Thru, Material 0.50 OD x 0.156, 4130

HRP3424U
$12.00
Picture of Boss 4 1/2" Long 7/16 ID Thru, Material 0.625 OD x 0.095, 4130

Boss 4 1/2" Long 7/16 ID Thru, Material 0.625 OD x 0.095, 4130

HRP3424V
$12.00
Picture of Boss 4 1/2" Long 3/8 ID Thru, Material 0.625 OD x 0.120, 4130

Boss 4 1/2" Long 3/8 ID Thru, Material 0.625 OD x 0.120, 4130

HRP3424W
$12.00
Picture of Boss 4 1/2" Long 5/16 ID Thru, Material 0.625 OD x 0.156, 4130

Boss 4 1/2" Long 5/16 ID Thru, Material 0.625 OD x 0.156, 4130

HRP3424X
$12.00
Picture of Boss 4 1/2" Long 1/2 ID Thru, Material 0.750 OD x 0.120, 4130

Boss 4 1/2" Long 1/2 ID Thru, Material 0.750 OD x 0.120, 4130

HRP3424Y
$12.00
Picture of Boss 4 1/2" Long 3/4 ID Thru, Material 1.00 OD x 0.120, 4130

Boss 4 1/2" Long 3/4 ID Thru, Material 1.00 OD x 0.120, 4130

HRP3424YY
$12.00
Picture of Boss 4 1/2" Long 7/16 ID Thru, Material 0.750 OD x 0.156, 4130

Boss 4 1/2" Long 7/16 ID Thru, Material 0.750 OD x 0.156, 4130

HRP3424Z
$12.00
Picture of Boss 4 1/2" Long 5/8 ID Thru, Material 0.875 OD x 0.120, 4130

Boss 4 1/2" Long 5/8 ID Thru, Material 0.875 OD x 0.120, 4130

HRP3424ZZ
$13.50
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No warranty. Product, and each part thereof, is sold as is. Racing is a dangerous activity - the user shall determine the suitability and safety of the product for its intended use.
There is no warranty expressed or implied. Glenn Hepfner Inc. / Hepfner Racing Products (HRP) will not be liable for any loss, damage, death or injury arising from the use of these products.
The user assumes all responsibility and risk in connection there within.

Copyright © 2024 Hepfner Racing Products. All rights reserved.