ARP head studs & ARP bolts

ARP (Automotive Racing Products) is the leading manufacturer of engine bolts of all kinds. ARP uses a metal mixture of iron, carbon, chromium and molybdenum in a special mixing ratio. So-called chrome molybdenum steel with the number 8740 is now well-known throughout the world. The particularly high tensile strength of this material makes for high-strength bolts and threaded bolts that withstand incredible tensile forces. With a value of 13.8 t/cm², this steel alloy is approximately twice as stable as the best standard bolts and threaded bolts offered by factory suppliers.

ARP (Automotive Racing Products) is the leading manufacturer of engine bolts of all kinds. ARP uses a metal mixture of iron, carbon, chromium and molybdenum in a special mixing ratio. So-called... read more »
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ARP head studs & ARP bolts

ARP (Automotive Racing Products) is the leading manufacturer of engine bolts of all kinds. ARP uses a metal mixture of iron, carbon, chromium and molybdenum in a special mixing ratio. So-called chrome molybdenum steel with the number 8740 is now well-known throughout the world. The particularly high tensile strength of this material makes for high-strength bolts and threaded bolts that withstand incredible tensile forces. With a value of 13.8 t/cm², this steel alloy is approximately twice as stable as the best standard bolts and threaded bolts offered by factory suppliers.

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Ford Focus RS MK3 2.3L 16V Main Stud Kit ARP Ford Focus RS MK3 2.3L 16V Main Stud Kit ARP
ARP Main Stud Kit Block for Ford 2,3L 16V (YVDA) as in Focus RS MK3 or Ford Mustang ARP heavy duty studs are made of high strength and heat treated 8740 chrome-moly forged steel and so they are ideal for use in racing engines. Due to...
189.95€ *
Ford Focus RS MK3 2.3L 16V Stud Kit Cylinder Head ARP Ford Focus RS MK3 2.3L 16V Stud Kit Cylinder...
ARP Main Stud Kit Block for Ford 2,3L 16V (YVDA) as in Focus RS MK3 or Ford Mustang ARP heavy duty studs are made of high strength and heat treated 8740 chrome-moly forged steel and so they are ideal for use in racing engines. Due to...
229.95€ *
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V2 dial gauge for con-rod bolts BAR-TEK® V2 dial gauge for con-rod bolts BAR-TEK®
High-quality dial gauge from BAR-TEK® Motorsport for measuring the extension of connecting rod bolts during assembly. When fitting connecting rod bolts, the tightening torque is only of secondary importance. Much more important is the...
199.95€ *
2.5L TFSI Audi RS3 8V & TTRS 8S Upgrade Bolts Block ARP 2.5L TFSI Audi RS3 8V & TTRS 8S Upgrade Bolts...
ARP Upgrade Bolt Kit for the engine block (oil pan) for all 2.5L TFSI EA855 Evo engines. The M8 upgrade bolts for the oil pan are made of extremely sturdy stainless steel and replaced the original bolts, which are made of soft aluminum....
299.95€ *
2.0L TSI EA888 Gen.2 & Gen.3 MQB Bolts for Bearing ARP 2.0L TSI EA888 Gen.2 & Gen.3 MQB Bolts for...
6 ARP screws for lateral mounting of the bearing blocks. An absolute must for all engines that drive with increased boost pressure! ARP is the market leader in this field and offers screws for the engine block made of 8740 chromoly steel...
49.95€ *
ARP strech gauge digital for con-rod bolts ARP strech gauge digital for con-rod bolts
Digital High End Dial Indicator from ARP for measuring the extension of expansion screws. When fitting connecting rod bolts, the tightening torque is only of secondary importance. Much more important is the extension of the screw. This...
499.95€ *
Porsche ARP HEAVY DUTY Bolts for flywheel Porsche ARP HEAVY DUTY Bolts for flywheel
High strength ARP bolt made of molybdenum steel for mounting the flywheel to the crankshaft. Suitable for aircooled engines. Especially with tuned engines essential, because much higher torques must be transmitted to the crankshaft!...
From 69.95€ *
Mini ARP HEAVY DUTY Bolts for flywheel Mini ARP HEAVY DUTY Bolts for flywheel
High strength ARP bolt made of molybdenum steel for mounting the flywheel to the crankshaft. Suitable for all Mini engines Especially with tuned engines essential, because much higher torques must be transmitted to the crankshaft! Thread...
69.95€ *
BMW E30 M3 S14 ARP HEAVY DUTY Bolts for flywheel BMW E30 M3 S14 ARP HEAVY DUTY Bolts for flywheel
High strength ARP bolt made of molybdenum steel for mounting the flywheel to the crankshaft. Suitable for BMW S14 engines. Especially with tuned engines essential, because much higher torques must be transmitted to the crankshaft! Thread...
69.95€ *
Toyota ARP HEAVY DUTY Bolts for flywheel Toyota ARP HEAVY DUTY Bolts for flywheel
High strength ARP bolt made of molybdenum steel for mounting the flywheel to the crankshaft. Suitable for many 1.6L up to 2.4L engines. Especially with tuned engines essential, because much higher torques must be transmitted to the...
From 49.95€ *
M12 x 1.75 high strenght stainless steel screws ARP M12 x 1.75 high strenght stainless steel screws...
M12 x 1.75 screws made of high quality ARP steel for universal use. Wherever you need it! ARP screws are made from 8740 chromoly steel and have rounded threads. With a tensile strength of up to 180,000 PSI, these are up to 30% stronger...
From 31.95€ *
M12 x 1.50 high strenght stainless steel screws ARP M12 x 1.50 high strenght stainless steel screws...
M12 x 1.50 screws made of high quality ARP steel for universal use. Wherever you need it! ARP screws are made from 8740 chromoly steel and have rounded threads. With a tensile strength of up to 180,000 PSI, these are up to 30% stronger...
From 31.95€ *
M10 x 1.50 high strenght stainless steel screws ARP M10 x 1.50 high strenght stainless steel screws...
M10 x 1.50 screws made of high quality ARP steel for universal use. Wherever you need it! ARP screws are made from 8740 chromoly steel and have rounded threads. With a tensile strength of up to 180,000 PSI, these are up to 30% stronger...
From 26.95€ *
M10 x 1.25 high strenght stainless steel screws ARP M10 x 1.25 high strenght stainless steel screws...
M10 x 1.25 screws made of high quality ARP steel for universal use. Wherever you need it! ARP screws are made from 8740 chromoly steel and have rounded threads. With a tensile strength of up to 180,000 PSI, these are up to 30% stronger...
From 26.95€ *
M6 x 1.00 high strenght stainless steel screws ARP M6 x 1.00 high strenght stainless steel screws ARP
M6 x 1.00 screws made of high quality ARP steel for universal use. Wherever you need it! ARP screws are made from 8740 chromoly steel and have rounded threads. With a tensile strength of up to 180,000 PSI, these are up to 30% stronger...
From 24.95€ *
M8 x 1.25 high strenght stainless steel screws ARP M8 x 1.25 high strenght stainless steel screws ARP
M8 x 1.25 screws made of high quality ARP steel for universal use. Wherever you need it! ARP screws are made from 8740 chromoly steel and have rounded threads. With a tensile strength of up to 180,000 PSI, these are up to 30% stronger...
From 25.95€ *
Opel 2.0L 16V ARP Flywheel bolt kit Opel 2.0L 16V ARP Flywheel bolt kit
ARP Flywheel bolt kit for Opel/Vauxhall 2.0L 16V. Forged from high strength chrome-molybdenum steel with 200,000 psi tensile strength nearly twice as stable as the best series bolts from factory OEM. Perfectly crafted rolled threads from...
69.95€ *
Ford 2.3L Duratec Nockenwellenrad-Schrauben Ford 2.3L Duratec Nockenwellenrad-Schrauben ARP
ARP Nockenwellenrad-Schraubensatz der Pro-Serie. 15 mm, 12-Punkt-Kopf. Hergestellt aus Chromoly - Schwarz. Für 2.3L 16V Duratec-Motoren von Ford (verbaut in Mondeo, S-MAX und Galaxy).
37.95€ *
Harmonic Damper Bolt Kit for Nissan RB26 2.6L Harmonic Damper Bolt Kit for Nissan RB26 2.6L
Main bolt for the vibration damper from the well-known US manufacturer ARP for the reinforcement of the vibration damper in the RB26 2.6L engine. The screw has a higher clamping force and corresponds to the aviation standard. It is made...
45.95€ *
ARP ea888 camcover EA888 ARP bolts for Camshaft bearing caps
ARP Camshaft Bolt Kit for all 2L TSI engines like in the Golf MK6 or MK7 chain driven (EA888) The OEM bolts have to be replaced each time they are removed. This kit includes all of the bolts and washers needed to replace the OEM bolts...
149.95€ *
1.8T & VW Stehbolzen Krümmer am Zylinderkopf ARP 2.5L RS3 & TTRS studs for manifold to...
M8 stud bolt for all Audi RS3 and TTRS Cylinderheads made by ARP. This studs are failing very often during dismounting of the exhaust manifold. (Stud is mounted in the head) ARP has developed a special alloy for this application. Further...
249.95€ *
NISSAN CA16&18DE undercut ARP Stehbolzen Kit Zylinderkopf NISSAN CA16&18DE undercut ARP HEAD Stud Kit
ARP HEAD Stud Kit for NISSAN/DATSUN 1.6L & 1.8L, Nissan CA16&18DE, CA16&18DET. ARP heavy duty studs are made of high strength and heat treated 8740 chrome-moly forged steel. -Due to advanced manufacturing processes ARP studs reach...
182.95€ *
2.0L TSI EA888 Gen3. (MQB) Upgrade Bolts Block ARP 2.0L TSI EA888 Gen3. (MQB) Upgrade Bolts Block ARP
ARP Upgrade Bolt Kit for the engine block (oil pan) for all 2.0L TSI EA888 Gen3 MQB engines. The M8 upgrade bolts for the oil pan are made of extremely sturdy stainless steel and replaced the original bolts, which are made of soft...
149.95€ *
NISSAN CA16&18DE undercut ARP Stehbolzen Kit Zylinderkopf NISSAN CA16&18DE undercut ARP BLOCK Stud Kit
ARP MAIN (crank) Stud Kit for NISSAN/DATSUN 1.6L & 1.8L, Nissan CA16&18DE, CA16&18DET. ARP heavy duty studs are made of high strength and heat treated 8740 chrome-moly forged steel. -Due to advanced manufacturing processes ARP studs...
199.95€ *
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Stud bolts and cylinder head bolts in outstanding quality

The ARP stud bolts, ARP connecting rod bolts and ARP cylinder head bolts in our ARP shop are produced in elaborate procedures over many work steps. Quality always takes top priority. Again and again, the ARP bolts and stud bolts are checked to ensure that they are perfectly round and straight. Many work steps and constant monitoring of the ARP screws and bolts with threads ensure the consistently outstanding quality of the products. They have one great advantage over all standard bolts: The high-quality material and the resultant, almost indestructible thread can be re-used.

ARP kits for complete assembly

Although the ARP stud bolts, ARP connecting rod bolts and ARP bolts are available separately at express request, they usually come in so-called kits. The kits include enough steel bolts or threaded bolts to carry out the complete assembly of a component: the installation of the cylinder head, the crankshaft housing or con-rod of an engine. A sufficient quantity of fastener assembly lube is included (ARP Ultra Torque) in all ARP kits. The ARP stud bolts are delivered with equally high-quality nuts and washers. The stud bolts have threads of different sizes at both ends.

Tool for fastening the ARP bolts and stud bolts

When installing a cylinder head or a crankshaft, for example, the bolts are initially bolted in the block using an Allen key. The final fastening is then done with a multi-tooth tool with a specified torque. The multi-tooth nut is contained in only a few kits – this is why you should order it in the online shop in good time.

Please contact us if you have questions about the screws and bolts by ARP. We´d be delighted to give you tips and tell you everything you need to know.

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