Skip to content
EOFY SALE NOW LIVE - ONLINE ONLY
EOFY SALE NOW LIVE - ONLINE ONLY

BEST SELLERS

BEST SELLERS

BEST SELLERS

Explore the most popular products across the store, featuring proven performance upgrades, workshop essentials and customer-favourite parts from trusted brands.

Save 5% Save %
$1,299.39
$1,299.39 - $1,299.39
$1,299.39
$1,234.95
$1,234.95 - $1,234.95
$1,234.95

Head Stud Kit, 12-Point Nuts

ARP

fits Toyota Supra 3.0L 2JZGE/GTE Inline 6cyl, 1993-98 (Custom Age 625+) Part Number : AR203-4301 It is for good reason that virtually ...

View full details
$1,299.39
$1,299.39 - $1,299.39
$1,299.39
$1,234.95
$1,234.95 - $1,234.95
$1,234.95
Save 5% Save %
$8.51 - $8.51
$8.51
$8.51
$8.51 - $8.51
$8.51

12-Point Nut, Chrome Moly Black Oxide

ARP

5/16" UNC Thread, 3/8" Socket (2-Pack) Part Number : AR301-8323 1= 5/16"-182= .348"3= .526"4= 3/8"

$8.51 - $8.51
$8.51
$8.51
$8.51 - $8.51
$8.51
Save 5% Save %
$301.65
$301.65 - $301.65
$301.65
$286.95
$286.95 - $286.95
$286.95

Head Stud Kit, 12-Point Nut

ARP

fits 1.6L 4AGE 16V DOHC Part Number : AR203-4203 It Is For Good Reason That Virtually Every Top Professional Engine Builder Relies On ...

View full details
$301.65
$301.65 - $301.65
$301.65
$286.95
$286.95 - $286.95
$286.95
Save 5% Save %
Save 5% Save %
$414.69
$414.69 - $414.69
$414.69
$393.95
$393.95 - $393.95
$393.95

Head Stud Kit, 12-Point Nut

ARP

fits 3.0L 7MGE / 7MGTE 6cyl Supra (1981-92) Part Number : AR203-4202 It Is For Good Reason That Virtually Every Top Professional Engin...

View full details
$414.69
$414.69 - $414.69
$414.69
$393.95
$393.95 - $393.95
$393.95
Save 5% Save %
$7.82 - $7.82
$7.82
$7.82
$7.82 - $7.82
$7.82

12-Point Nut, Chrome Moly Black Oxide

ARP

1/4" UNC Thread, 5/16" Socket (2-Pack) Part Number : AR301-8320 1= 1/4"-202= .300"3= .433"4= 5/16"

$7.82 - $7.82
$7.82
$7.82
$7.82 - $7.82
$7.82
Save 5% Save %
$267.26
$267.26 - $267.26
$267.26
$253.95
$253.95 - $253.95
$253.95

Main Stud Kit, 2-Bolt Main, 12-Point Nut

ARP

fits Nissan / Datsun L20 & CA18DET FWD With Girdle Part Number : AR202-5401 There Are Many Important Reasons To Use Arp Main Stud ...

View full details
$267.26
$267.26 - $267.26
$267.26
$253.95
$253.95 - $253.95
$253.95
Save 5% Save %
Save 4% Save %
$96.26
$96.26 - $96.26
$96.26
$91.95
$91.95 - $91.95
$91.95

12-Point Nut, Chrome Moly Black Oxide

ARP

10mm X 1.50 Thread, 12mm Socket (10-Pack) Part Number : AR300-8365 Available in a variety of sizes to suit your needs, all ARP...

View full details
$96.26
$96.26 - $96.26
$96.26
$91.95
$91.95 - $91.95
$91.95
Save 4% Save %
Save 5% Save %
$98.79
$98.79 - $98.79
$98.79
$93.95
$93.95 - $93.95
$93.95

12-Point Nut, Chrome Moly Black Oxide

ARP

9mm X 1.25 Thread, 11mm Socket (10-Pack) Part Number : AR300-8362 Available in a variety of sizes to suit your needs, all ARP 12-point...

View full details
$98.79
$98.79 - $98.79
$98.79
$93.95
$93.95 - $93.95
$93.95
Save 5% Save %
Save 5% Save %
$464.26
$464.26 - $464.26
$464.26
$441.95
$441.95 - $441.95
$441.95

Head Stud Kit, 12-Point Nuts

ARP

fits Nissan RB20DE/DET 2.0L & RB25DE/DET 2.5L Part Number : AR202-4301 It is for good reason that virtually every top professional...

View full details
$464.26
$464.26 - $464.26
$464.26
$441.95
$441.95 - $441.95
$441.95
Save 5% Save %
Save 5% Save %
$322.92
$322.92 - $322.92
$322.92
$306.95
$306.95 - $306.95
$306.95

Head Stud Kit, 12-Point Nuts

ARP

fits Nissan A14 Engines Part Number : AR202-4203 It is for good reason that virtually every top professional engine builder relies on ...

View full details
$322.92
$322.92 - $322.92
$322.92
$306.95
$306.95 - $306.95
$306.95
Save 5% Save %
Save 5% Save %
$186.99
$186.99 - $186.99
$186.99
$177.95
$177.95 - $177.95
$177.95

12-Point Nut, Chrome Moly Black Oxide

ARP

5/8" UNF Thread, 13/16" Socket (10-Pack) Part Number : AR300-8339 1= 5/8"-182= .700"3= 1.225"4= 13/16"

$186.99
$186.99 - $186.99
$186.99
$177.95
$177.95 - $177.95
$177.95
Save 5% Save %
Save 4% Save %
$103.50
$103.50 - $103.50
$103.50
$98.95
$98.95 - $98.95
$98.95

12-Point Nut, Chrome Moly Black Oxide

ARP

12mm X 1.25 Thread, 16mm Socket (10 Pack) Part Number : AR300-8338 1= 12mm X 1.252= 13.5(.530")3= 22.2(.873")4= 16mm

$103.50
$103.50 - $103.50
$103.50
$98.95
$98.95 - $98.95
$98.95
Save 4% Save %
Save 5% Save %
$98.79
$98.79 - $98.79
$98.79
$93.95
$93.95 - $93.95
$93.95

12-Point Nut, Chrome Moly Black Oxide

ARP

12mm X 1.25 Thread, 14mm Socket (10 Pack) Part Number : AR300-8337 1= 12mm X 1.252= 12.8 (.504")3= 20.9(.823")4= 14mm

$98.79
$98.79 - $98.79
$98.79
$93.95
$93.95 - $93.95
$93.95
Save 5% Save %
Save 4% Save %
$68.54
$68.54 - $68.54
$68.54
$65.95
$65.95 - $65.95
$65.95

12-Point Nut, Chrome Moly Black Oxide

ARP

1/2" UNF Thread, 9/16" Socket (10-Pack) Part Number : AR300-8334 Available in a variety of sizes to suit your needs, all ARP 12-point ...

View full details
$68.54
$68.54 - $68.54
$68.54
$65.95
$65.95 - $65.95
$65.95
Save 4% Save %
Save 2% Save %
$21.27
$21.27 - $21.27
$21.27
$20.95
$20.95 - $20.95
$20.95

Special Purpose Washer

ARP

3/8" I.D, 3/4" O.D .120" Thick with No Chamfer, 10-Pack Part Number : AR200-8687 A true high performance washer from ARP, available in...

View full details
$21.27
$21.27 - $21.27
$21.27
$20.95
$20.95 - $20.95
$20.95
Save 2% Save %
Save 4% Save %
$23.92
$23.92 - $23.92
$23.92
$22.95
$22.95 - $22.95
$22.95

12-Point Nut, Chrome Moly Black Oxide

ARP

12mm X 1.25 Thread, 14mm Socket (2 Pack) Part Number : AR300-8327 1= 12mm X 1.252= 12.8(.504")3= 20.9(.823")4= 14mm

$23.92
$23.92 - $23.92
$23.92
$22.95
$22.95 - $22.95
$22.95
Save 4% Save %
Save 5% Save %
$535.67
$535.67 - $535.67
$535.67
$508.95
$508.95 - $508.95
$508.95

Perma Loc Posi Locks, 12-Point Black Oxide

ARP

fits Girdle With 7/16" Stud, 1.485" Length (16 Pack) Part Number : AR300-8248 A= 2.615"B= 1.485"C= .600"D= .750" Exclusive 12-point ...

View full details
$535.67
$535.67 - $535.67
$535.67
$508.95
$508.95 - $508.95
$508.95
Save 5% Save %
Save 4% Save %
$61.41
$61.41 - $61.41
$61.41
$58.95
$58.95 - $58.95
$58.95

Nascar Speed Nuts 5/8"-18 Thread Size (10 Pack)

ARP

Part Number : AR300-7801 Unquestionably The Strongest Wheel Stud Used In Nascar Today, Practically Every Driver's Reputation Rides On The Relia...

View full details
$61.41
$61.41 - $61.41
$61.41
$58.95
$58.95 - $58.95
$58.95
Save 4% Save %
Save 5% Save %
$1,088.13
$1,088.13 - $1,088.13
$1,088.13
$1,033.95
$1,033.95 - $1,033.95
$1,033.95

Main Bolt Kit, 2-Bolt Main Pro Series

ARP

fits Subaru EJ20,22,25 SOHC/DOHC Crankcase Through Bolt Kit Part Number : AR260-5401 Far superior to any other main bolt kit offered ...

View full details
$1,088.13
$1,088.13 - $1,088.13
$1,088.13
$1,033.95
$1,033.95 - $1,033.95
$1,033.95
Save 5% Save %
Save 5% Save %
$9.43
$9.43 - $9.43
$9.43
$8.95
$8.95 - $8.95
$8.95

Camshaft Bolt Kit, Pro Series

ARP

fits SB Ford 302-351 Windsor (1969-On) & BB Ford 429-460 3/8-16 x 1.580" UHL Part Number : AR255-1001 Install An Arp Cam Bolt Kit ...

View full details
$9.43
$9.43 - $9.43
$9.43
$8.95
$8.95 - $8.95
$8.95
Save 5% Save %
Save 4% Save %
$54.16
$54.16 - $54.16
$54.16
$51.95
$51.95 - $51.95
$51.95

5-Pack Bolt Kit, Hex Head S/S

ARP

3/8" UNC x 3.000" UHL With 3/8" Socket Part Number : AR623-3000 Now you can use premium quality ARP stainless steel or chrome moly fas...

View full details
$54.16
$54.16 - $54.16
$54.16
$51.95
$51.95 - $51.95
$51.95
Save 4% Save %
Save 3% Save %
$43.47
$43.47 - $43.47
$43.47
$41.95
$41.95 - $41.95
$41.95

Flywheel Bolt Kit

ARP

fits Chrysler SL6, 3.9L V6 & SB/BB 273-440 With 6-Bolt Crank 7/16-20 x .875" UHL Part Number : AR240-2801 Flywheel and Flexplate b...

View full details
$43.47
$43.47 - $43.47
$43.47
$41.95
$41.95 - $41.95
$41.95
Save 3% Save %
Save 5% Save %
$77.74
$77.74 - $77.74
$77.74
$73.95
$73.95 - $73.95
$73.95

Harmonic Balancer Bolt, 12-Point

ARP

fits Chrysler 318-440 With Thick Balancer & Viper V10, 3/4-16 Thread x 2.200" UHL, 1-1/16" Socket Part Number : AR240-2501 As the ...

View full details
$77.74
$77.74 - $77.74
$77.74
$73.95
$73.95 - $73.95
$73.95
Save 5% Save %
Save 4% Save %
$49.80
$49.80 - $49.80
$49.80
$47.95
$47.95 - $47.95
$47.95

5-Pack Bolt Kit, Hex Head S/S

ARP

3/8" UNC x 2.000" UHL With 3/8" Socket Part Number : AR623-2000 Now You Can Use Premium Quality Arp Stainless Steel Fasteners To Inst...

View full details
$49.80
$49.80 - $49.80
$49.80
$47.95
$47.95 - $47.95
$47.95
Save 4% Save %

Frequently Asked Questions

What products are included in the best sellers collection?
This collection highlights products that consistently perform well with customers across popular performance categories and trusted brands.
Are best-selling parts a good place to start a build?
They can be, especially if you want to see what other enthusiasts are commonly buying for proven upgrade paths and workshop essentials.
Do best sellers cover multiple vehicle platforms?
Yes. This collection can include parts across a wide mix of brands, applications and vehicle types rather than a single platform.
Are these products suitable for street and race builds?
Many are, but the exact use case depends on the individual product. Always check the listing for fitment and application notes.
Why shop the best sellers collection?
It is a quick way to find the parts enthusiasts are buying most often without having to dig through every category from scratch.