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ARP

Back the early 1970s, racing enthusiast Gary Holzapfel saw that many of his friends’ broken engines were caused by fastener failure. At the time, there were no commercially available studs and bolts up to the challenge. So Holzapfel called upon his many years of fastener making experience for a leading aerospace subcontractor and founded ARP (Automotive Racing Products). ARP’s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline and throughout the suspension and frame. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications.

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Valve Cover Bolt Kit - 1/4-20 6pt. (14) Save 1% Save %

Valve Cover Bolt Kit - 1/4-20 6pt. (14)

ARP
$19.99
$19.99 - $19.99
$19.99
$19.85
$19.85 - $19.85
$19.85
67 in stock

ARP Cast Aluminum Hex Valve Cover Bolt Kit

$19.99
$19.99 - $19.99
$19.99
$19.85
$19.85 - $19.85
$19.85
Save 1% Save %
Valve Cover Bolt Kit - 1/4-20 12pt. (8)

Valve Cover Bolt Kit - 1/4-20 12pt. (8)

ARP
$10.99 - $10.99
$10.99
$11.38
$11.38 - $11.38
$11.38
47 in stock

ARP Cast Aluminum 12pt Valve Cover Bolt Kit

$10.99 - $10.99
$10.99
$11.38
$11.38 - $11.38
$11.38
Valve Cover Bolt Kit - 12pt - Stamped Steel

Valve Cover Bolt Kit - 12pt - Stamped Steel

ARP
$18.99 - $18.99
$18.99
$19.36
$19.36 - $19.36
$19.36
10 in stock

ARP Stamped Steel 12pt Valve Cover Bolt Kit

$18.99 - $18.99
$18.99
$19.36
$19.36 - $19.36
$19.36
Valve Cover Bolt Kit - 1/4-20 12pt. (8) Save 1% Save %

Valve Cover Bolt Kit - 1/4-20 12pt. (8)

ARP
$12.99
$12.99 - $12.99
$12.99
$12.92
$12.92 - $12.92
$12.92
6 in stock

ARP Stamped Steel 12pt Valve Cover Bolt Kit

$12.99
$12.99 - $12.99
$12.99
$12.92
$12.92 - $12.92
$12.92
Save 1% Save %
Header Stud Kit - 6pt. 3/8 x 1.670 OAL (16)

Header Stud Kit - 6pt. 3/8 x 1.670 OAL (16)

ARP
$72.99 - $72.99
$72.99
$75.99
$75.99 - $75.99
$75.99
7 in stock

Header Stud - 3/8 in Diameter - 1.67 in Long - Hex Nuts - Chromoly - Black Oxide - Ford - Set of 16

$72.99 - $72.99
$72.99
$75.99
$75.99 - $75.99
$75.99
Header Stud Kit - 6pt. 3/8 x 1.670 OAL (16)

Header Stud Kit - 6pt. 3/8 x 1.670 OAL (16)

ARP
$72.99 - $72.99
$72.99
$75.62
$75.62 - $75.62
$75.62
9 in stock

ARP BB Chevy 3/8 x 1.670in Hex Header Stud Kit

$72.99 - $72.99
$72.99
$75.62
$75.62 - $75.62
$75.62
Header Stud Kit - 6pt. 3/8 x 1.670 OAL (12)

Header Stud Kit - 6pt. 3/8 x 1.670 OAL (12)

ARP
$54.99 - $54.99
$54.99
$57.31
$57.31 - $57.31
$57.31
8 in stock

ARP SB Chevy 3/8 x 1.670in Hex Header Stud Kit

$54.99 - $54.99
$54.99
$57.31
$57.31 - $57.31
$57.31
Header Stud Kit - 12pt. 3/8 x 1.500 OAL (16)

Header Stud Kit - 12pt. 3/8 x 1.500 OAL (16)

ARP
$141.99 - $141.99
$141.99
$142.99
$142.99 - $142.99
$142.99
15 in stock

Header Stud - 3/8-5/16 in Diameter - 1.5 in Long - 12 Point Nuts - Chromoly - Black Oxide - Universal - Set of 16

$141.99 - $141.99
$141.99
$142.99
$142.99 - $142.99
$142.99
Header Stud Kit - 12pt. 3/8 x 1.670 OAL (16)

Header Stud Kit - 12pt. 3/8 x 1.670 OAL (16)

ARP
$86.99 - $86.99
$86.99
$90.15
$90.15 - $90.15
$90.15
6 in stock

ARP SB Ford 3/8 x 1.670in 12pt Header Stud Kit

$86.99 - $86.99
$86.99
$90.15
$90.15 - $90.15
$90.15
Header Stud Kit - 12pt. 3/8 x 1.670 OAL (16)

Header Stud Kit - 12pt. 3/8 x 1.670 OAL (16)

ARP
$86.99 - $86.99
$86.99
$90.15
$90.15 - $90.15
$90.15
36 in stock

ARP BB Chevy 3/8 x 1.670in 12pt Header Stud Kit

$86.99 - $86.99
$86.99
$90.15
$90.15 - $90.15
$90.15
Header Stud Kit - 12pt. 3/8 x 1.670 OAL (12)

Header Stud Kit - 12pt. 3/8 x 1.670 OAL (12)

ARP
$64.99 - $64.99
$64.99
$67.67
$67.67 - $67.67
$67.67
40 in stock

ARP SB Chevy 3/8 x 1.670in 12pt Header Stud Kit

$64.99 - $64.99
$64.99
$67.67
$67.67 - $67.67
$67.67
Header Stud Kit - 6pt. 3/8 x 1.500 OAL (16)

Header Stud Kit - 6pt. 3/8 x 1.500 OAL (16)

ARP
$141.99 - $141.99
$141.99
$142.99
$142.99 - $142.99
$142.99
Only 3 left!

Header Stud - 3/8-5/16 in Diameter - 1.5 in Long - Hex Nuts - Chromoly - Black Oxide - Universal - Set of 16

$141.99 - $141.99
$141.99
$142.99
$142.99 - $142.99
$142.99
Header Bolt Kit - 12pt. 3/8 x .850 UHL (16)

Header Bolt Kit - 12pt. 3/8 x .850 UHL (16)

ARP
$30.99 - $30.99
$30.99
$31.99
$31.99 - $31.99
$31.99
Only 3 left!

Header Bolt - 3/8-16 in Thread - 0.875 in Long - 12 Point Head - Chromoly - Black Oxide - Universal - Set of 16

$30.99 - $30.99
$30.99
$31.99
$31.99 - $31.99
$31.99
Header Bolt Kit - 12pt. 3/8 x .875 UHL (12)
Save 4% Save %

Header Bolt Kit - 12pt. 3/8 x .875 UHL (12)

ARP
$23.99
$23.99 - $23.99
$23.99
$22.99
$22.99 - $22.99
$22.99
Only 1 left!

Header Bolt - 3/8-16 in Thread - 0.875 in Long - 12 Point Head - Chromoly - Black Oxide - Universal - Set of 12

$23.99
$23.99 - $23.99
$23.99
$22.99
$22.99 - $22.99
$22.99
Save 4% Save %
Header Bolt Kit - 12pt. 3/8 x 1.00 UHL (12)

Header Bolt Kit - 12pt. 3/8 x 1.00 UHL (12)

ARP
$23.99 - $23.99
$23.99
$24.42
$24.42 - $24.42
$24.42
Only 5 left!

ARP SB Chevy 12pt Header Bolt Kit

$23.99 - $23.99
$23.99
$24.42
$24.42 - $24.42
$24.42
Header Bolt Kit - 12pt. 3/8 x 1.00 UHL (16)

Header Bolt Kit - 12pt. 3/8 x 1.00 UHL (16)

ARP
$30.99 - $30.99
$30.99
$31.83
$31.83 - $31.83
$31.83
34 in stock

ARP 3/8in x 1.000in 12pt Header Bolt Kit

$30.99 - $30.99
$30.99
$31.83
$31.83 - $31.83
$31.83
Header Bolt Kit - 12pt. 3/8 x 1.00 UHL (12)

Header Bolt Kit - 12pt. 3/8 x 1.00 UHL (12)

ARP
$23.99 - $23.99
$23.99
$24.42
$24.42 - $24.42
$24.42
89 in stock

ARP 3/8 X 1.000in 12pt Header Bolt Kit

$23.99 - $23.99
$23.99
$24.42
$24.42 - $24.42
$24.42
Header Bolt Kit - 12pt. 3/8 x .750 UHL (16)

Header Bolt Kit - 12pt. 3/8 x .750 UHL (16)

ARP
$21.99 - $21.99
$21.99
$22.68
$22.68 - $22.68
$22.68
34 in stock

ARP 3/8 X .750in 12pt Header Bolt Kit

$21.99 - $21.99
$21.99
$22.68
$22.68 - $22.68
$22.68
Header Bolt Kit - 12pt. 3/8 x .750 UHL (12)
Save 6% Save %

Header Bolt Kit - 12pt. 3/8 x .750 UHL (12)

ARP
$16.99
$16.99 - $16.99
$16.99
$15.99
$15.99 - $15.99
$15.99
16 in stock

Header Bolt - 3/8-16 in Thread - 0.75 in Long - 12 Point Head - Chromoly - Black Oxide - Universal - Set of 12

$16.99
$16.99 - $16.99
$16.99
$15.99
$15.99 - $15.99
$15.99
Save 6% Save %
Header Bolt Kit - 12pt. 3/8 x .750 UHL (12)

Header Bolt Kit - 12pt. 3/8 x .750 UHL (12)

ARP
$26.99 - $26.99
$26.99
$26.99
$26.99 - $26.99
$26.99
Only 1 left!

Header Bolt - 3/8-16 in Thread - 0.75 in Long - 12 Point Head - Chromoly - Black Oxide - Drilled - Small Block Chevy - Set of 12

$26.99 - $26.99
$26.99
$26.99
$26.99 - $26.99
$26.99
Header Bolt Kit - 12pt. 3/8 x .750 UHL (16)

Header Bolt Kit - 12pt. 3/8 x .750 UHL (16)

ARP
$22.99 - $22.99
$22.99
$22.99
$22.99 - $22.99
$22.99
9 in stock

Header Bolt - 3/8-16 in Thread - 0.75 in Long - 12 Point Head - Chromoly - Black Oxide - Big Block Chevy / Ford - Set of 16

$22.99 - $22.99
$22.99
$22.99
$22.99 - $22.99
$22.99
Header Bolt Kit - 12pt. 3/8 x .750 UHL (12)
Save 1% Save %

Header Bolt Kit - 12pt. 3/8 x .750 UHL (12)

ARP
$17.99
$17.99 - $17.99
$17.99
$17.85
$17.85 - $17.85
$17.85
92 in stock

ARP SB Chevy 3/8 x .750in 12pt Header Bolt Kit

$17.99
$17.99 - $17.99
$17.99
$17.85
$17.85 - $17.85
$17.85
Save 1% Save %
Header Bolt Kit - 6pt. 3/8 x .875 UHL (16)

Header Bolt Kit - 6pt. 3/8 x .875 UHL (16)

ARP
$28.99 - $28.99
$28.99
$30.29
$30.29 - $30.29
$30.29
14 in stock

ARP Big Block Chevy Hex .875in UHL Header Bolt Kit

$28.99 - $28.99
$28.99
$30.29
$30.29 - $30.29
$30.29
Header Bolt Kit - 6pt. 3/8 x .875 UHL (12)
Sold out

Header Bolt Kit - 6pt. 3/8 x .875 UHL (12)

ARP
$22.99 - $22.99
$22.99
$26.99
$26.99 - $26.99
$26.99
Out of stock

Header Bolt - 3/8-16 in Thread - 0.875 in Long - Hex Head - Chromoly - Black Oxide - Universal - Set of 12

$22.99 - $22.99
$22.99
$26.99
$26.99 - $26.99
$26.99
Sold out

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