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 2% Save %
$15.30
$15.30 - $15.30
$15.30
$14.95
$14.95 - $14.95
$14.95

Single Head / Main Stud

ARP

1/2" Thread X 4.250" OAL Part Number : ARAR4.250-1LB It is for good reason that virtually every top professional engine bui...

View full details
$15.30
$15.30 - $15.30
$15.30
$14.95
$14.95 - $14.95
$14.95
Save 2% Save %
Save 4% Save %
$19.78
$19.78 - $19.78
$19.78
$18.95
$18.95 - $18.95
$18.95

Single Head / Main Stud

ARP

7/16" Thread X 6.000" OAL ( fits Merlin Head x2 Required Per Head) Part Number : ARAP6.000-1LB It is for good reason that v...

View full details
$19.78
$19.78 - $19.78
$19.78
$18.95
$18.95 - $18.95
$18.95
Save 4% Save %
Save 4% Save %
$148.58
$148.58 - $148.58
$148.58
$141.95
$141.95 - $141.95
$141.95

Tapered Piston Ring Compressor

ARP

Fits 4.360" Bore Part Number : AR900-3600 ARP's ring compressors are CNC machined from 6061-T6 billet tube material and fea...

View full details
$148.58
$148.58 - $148.58
$148.58
$141.95
$141.95 - $141.95
$141.95
Save 4% Save %
Save 5% Save %
$147.89
$147.89 - $147.89
$147.89
$140.95
$140.95 - $140.95
$140.95

Tapered Piston Ring Compressor

ARP

Fits 94.0mm Bore Part Number : AR901-9400 ARP's ring compressors are CNC machined from 6061-T6 billet tube material and fea...

View full details
$147.89
$147.89 - $147.89
$147.89
$140.95
$140.95 - $140.95
$140.95
Save 5% Save %
Save 0% Save %
$13.00
$13.00 - $13.00
$13.00
$12.95
$12.95 - $12.95
$12.95

Single Head / Main Stud

ARP

7/16" Thread X 4.000" OAL Part Number : ARAP4.000-1LB It is for good reason that virtually every top professional engine bu...

View full details
$13.00
$13.00 - $13.00
$13.00
$12.95
$12.95 - $12.95
$12.95
Save 0% Save %
$10.81 - $10.81
$10.81
$10.81
$10.81 - $10.81
$10.81

Single Head / Main Stud

ARP

7/16" Thread X 3.000" OAL Part Number : ARAP3.000-1LB It is for good reason that virtually every top professional engine bu...

View full details
$10.81 - $10.81
$10.81
$10.81
$10.81 - $10.81
$10.81
Save 5% Save %
$144.09
$144.09 - $144.09
$144.09
$136.95
$136.95 - $136.95
$136.95

Piston Ring Squaring Tool

ARP

94-100mm / 3.700-3.937" Bore Part Number : AR902-9400 ARP's Performance R&D Division has just released sixnew dual size...

View full details
$144.09
$144.09 - $144.09
$144.09
$136.95
$136.95 - $136.95
$136.95
Save 5% Save %
$9.67 - $9.67
$9.67
$9.67
$9.67 - $9.67
$9.67

S/S Hex Nyloc Nuts

ARP

5/16" UNF Thread (5-Pack) Part Number : AR400-8762 To compliment ARP "bulk" 5-pack chrome moly...

View full details
$9.67 - $9.67
$9.67
$9.67
$9.67 - $9.67
$9.67
Save 5% Save %
$152.15
$152.15 - $152.15
$152.15
$144.95
$144.95 - $144.95
$144.95

Tapered Piston Ring Compressor

ARP

Fits 4.375" Bore Part Number : AR900-3750 ARP's ring compressors are CNC machined from 6061-T6 billet tube material and fea...

View full details
$152.15
$152.15 - $152.15
$152.15
$144.95
$144.95 - $144.95
$144.95
Save 5% Save %
Save 5% Save %
$560.40
$560.40 - $560.40
$560.40
$532.95
$532.95 - $532.95
$532.95

Engine Accessory Bolt Kit, Hex Head S/S

ARP

fits SB Ford 289-302 Windsor Part Number : AR554-9601 Bolts Inluded In Kit: Intake manifold bolts Valve cover bolts Thermostat hou...

View full details
$560.40
$560.40 - $560.40
$560.40
$532.95
$532.95 - $532.95
$532.95
Save 5% Save %
Save 5% Save %
$336.15
$336.15 - $336.15
$336.15
$319.95
$319.95 - $319.95
$319.95

Engine Accessory Bolt Kit, Hex Head S/S

ARP

fits SB Chev 350-400 With Headers (1986 & Earlier) Part Number : AR534-9601 Bolts Inluded In Kit: Intake manifold bolts Valve ...

View full details
$336.15
$336.15 - $336.15
$336.15
$319.95
$319.95 - $319.95
$319.95
Save 5% Save %
Save 5% Save %
$141.45
$141.45 - $141.45
$141.45
$134.95
$134.95 - $134.95
$134.95

Tapered Piston Ring Compressor

ARP

Fits 4.075" Bore Part Number : AR900-0750 ARP's ring compressors are CNC machined from 6061-T6 billet tube material and fea...

View full details
$141.45
$141.45 - $141.45
$141.45
$134.95
$134.95 - $134.95
$134.95
Save 5% Save %
Save 5% Save %
$219.88
$219.88 - $219.88
$219.88
$208.95
$208.95 - $208.95
$208.95

Valve Cover Stud Kit, 12-Point Nut S/S

ARP

fits Aluminium Valve Covers 1/4-20 Thread x 1.500" OAL (14-Pack) Part Number : AR400-7614 To ensure proper sealing of valve...

View full details
$219.88
$219.88 - $219.88
$219.88
$208.95
$208.95 - $208.95
$208.95
Save 5% Save %
Save 4% Save %
$87.63
$87.63 - $87.63
$87.63
$83.95
$83.95 - $83.95
$83.95

Water Pump & Thermostat Bolt Kit, Hex Head S/S

ARP

fits GM LS Series Part Number : AR434-3201 ARP's timing cover & water pump bolts are available in both polished stainle...

View full details
$87.63
$87.63 - $87.63
$87.63
$83.95
$83.95 - $83.95
$83.95
Save 4% Save %
Save 3% Save %
$34.96
$34.96 - $34.96
$34.96
$33.95
$33.95 - $33.95
$33.95

Starter Motor Bolt Kit, Hex Head S/S

ARP

fits SB/BB Chev With Standard & OEM High Torque Starters, 3/8-16 Thread x 1.975" & 4.660" UHL (2-Pack) Part Number : AR430-3505...

View full details
$34.96
$34.96 - $34.96
$34.96
$33.95
$33.95 - $33.95
$33.95
Save 3% Save %
Save 4% Save %
$82.12
$82.12 - $82.12
$82.12
$78.95
$78.95 - $78.95
$78.95

Exhaust Header Bolt Kit, 12-Point S/S

ARP

fits SB Chev 3/8" X 1.000" UHL (12 Pack) Part Number : AR400-1211 Premium Grade Bolt And Stud Kits To Facilitate Installatio...

View full details
$82.12
$82.12 - $82.12
$82.12
$78.95
$78.95 - $78.95
$78.95
Save 4% Save %
Save 1% Save %
$11.04
$11.04 - $11.04
$11.04
$10.95
$10.95 - $10.95
$10.95

Single Head / Main Stud

ARP

3/8" Thread X 3.000" OAL Part Number : ARAJ3.000-5B It is for good reason that virtually every top professional engine buil...

View full details
$11.04
$11.04 - $11.04
$11.04
$10.95
$10.95 - $10.95
$10.95
Save 1% Save %
Save 5% Save %
$29.33
$29.33 - $29.33
$29.33
$27.95
$27.95 - $27.95
$27.95

Thermostat Housing Bolt Kit, Hex Head S/S

ARP

fits FE Ford 390-428 2.250" UHL Part Number : AR455-7402 Nobody likes water leaks. And here's ARP's contribution to the sol...

View full details
$29.33
$29.33 - $29.33
$29.33
$27.95
$27.95 - $27.95
$27.95
Save 5% Save %
Save 5% Save %
$364.32
$364.32 - $364.32
$364.32
$346.95
$346.95 - $346.95
$346.95

Exhaust Header Stud Kit, 12-Point S/S

ARP

fits BB Chev 3/8" Thread x 1.670" OAL (16 Pack) Part Number : AR400-1403 Premium Grade Bolt And Stud Kits To Facilitate Inst...

View full details
$364.32
$364.32 - $364.32
$364.32
$346.95
$346.95 - $346.95
$346.95
Save 5% Save %
Save 5% Save %
$381.80
$381.80 - $381.80
$381.80
$362.95
$362.95 - $362.95
$362.95

Engine Accessory Bolt Kit, Hex Head Black Oxide

ARP

fits Ford 302-351 Cleveland Part Number : AR554-9804 Bolts Inluded In Kit: Intake manifold bolts Valve cover bolts Thermostat housi...

View full details
$381.80
$381.80 - $381.80
$381.80
$362.95
$362.95 - $362.95
$362.95
Save 5% Save %
Save 5% Save %
$155.25
$155.25 - $155.25
$155.25
$147.95
$147.95 - $147.95
$147.95

Tapered Piston Ring Compressor

ARP

Fits 4.600" Bore Part Number : AR900-6000 ARP's ring compressors are CNC machined from 6061-T6 billet tube material and fea...

View full details
$155.25
$155.25 - $155.25
$155.25
$147.95
$147.95 - $147.95
$147.95
Save 5% Save %
Save 5% Save %
$151.45
$151.45 - $151.45
$151.45
$143.95
$143.95 - $143.95
$143.95

Tapered Piston Ring Compressor

ARP

Fits 4.500" Bore Part Number : AR900-5000 ARP's ring compressors are CNC machined from 6061-T6 billet tube material and fea...

View full details
$151.45
$151.45 - $151.45
$151.45
$143.95
$143.95 - $143.95
$143.95
Save 5% Save %
Save 5% Save %
$458.05
$458.05 - $458.05
$458.05
$435.95
$435.95 - $435.95
$435.95

Rod Bolt Stretch Gauge

ARP

Billet Style With Dial Indicator Part Number : AR100-9942 We highly recommend using astretch gauge when installing rod bolts and ot...

View full details
$458.05
$458.05 - $458.05
$458.05
$435.95
$435.95 - $435.95
$435.95
Save 5% Save %
Save 5% Save %
$413.31
$413.31 - $413.31
$413.31
$392.95
$392.95 - $392.95
$392.95

Engine Accessory Bolt Kit, 12-Point Head S/S

ARP

fits SB Ford 351 Windsor Part Number : AR554-9503 Bolts Inluded In Kit: Intake manifold bolts Valve cover bolts Thermostat housing...

View full details
$413.31
$413.31 - $413.31
$413.31
$392.95
$392.95 - $392.95
$392.95
Save 5% 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.