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ARP 400-3210 5/16-24 X 3.250 SS hex water pump pulley w/ 2.000" fan spacer stud kit Photo-0
Special order
ARP 400-3203 Water Pump Pulley Stud Kit 5/16-24 X 1.500˝. ARP Stainless. polished. hex (fits 0.250˝ fan spacer) Photo-0
Special order
ARP 200-8447 M12 ID .812 OD no chamfer washers Photo-0
Special order
ARP 400-3206 Water Pump Pulley Stud Kit 5/16-24 X 2.250˝. ARP Stainless. polished. hex (fits 1.000˝ fan spacer) Photo-0
Special order
ARP 400-3219 Water Pump Pulley Stud Kit 5/16-24 X 1.750˝. ARP Stainless. polished. 12pt (fits 0.500˝ fan spacer) Photo-0
Special order
ARP 200-8437 M12 ID .812 OD no chamfer washers Photo-0
Special order
ARP 400-3205 Water Pump Pulley Stud Kit 5/16-24 X 2.000˝. ARP Stainless. polished. hex (fits 0.750˝ fan spacer) Photo-0
Special order
ARP 301-8382 M11 X 1.25, (M14 wr) 12pt 2pc nut kit Photo-0
Special order
ARP 400-3201 Water Pump Pulley Stud Kit 5/16-24 X 1.250˝. ARP Stainless. polished. hex Photo-0
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ARP 200-8427 M12 ID .812 OD no chamfer washer Photo-0
Special order
ARP 251-4302 Head Stud Kit for Ford EcoBoost 1.6L. 4-cylinder 12pt Photo-0
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ARP 400-3214 Water Pump Pulley Stud Kit 5/16-24 X 4.250˝. ARP Stainless. polished. hex (fits 3.000˝ fan spacer) Photo-0
Special order
ARP 301-8402 Nut Kit M11 x 1.25. M14 wrench. 8740. 12pt Photo-0
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ARP 145-4301 BB Chrysler 383-440 w/Edelbrock Victor 77919 77929 12pt head stud kit Photo-0
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ARP 247-4208 Head Stud Kit for Dodge Cummins 5.9L/6.7L 24V. all same length. ARP2000 Photo-0
Special order
ARP 301-8362 Nut Kit M11 x 1.25. M14 wrench. 8740. 12pt Photo-0
Special order
ARP 400-3209 5/16-24 X 3.000 SS hex water pump pulley w/ 1.750" fan spacer stud kit Photo-0
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ARP 247-7201 Rocker Pedestal Stud Kit Dodge Cummins 24V. 1998 & later Photo-0
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ARP 208-5801 Main Stud Kit for Acura NSX 3.0/3.2L 1990-2005. ARP2000. 12pt Photo-0
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ARP 144-4007 Head Stud Kit for Chrysler Small Block Mopar R3/Ritter Block with Victor heads. hex Photo-0
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ARP 247-5501 Main Stud Kit for Dodge Viper SRT-10 2008-2010 Photo-0
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ARP 400-3204 Water Pump Pulley Stud Kit 5/16-24 X 1.750˝. ARP Stainless. polished. hex (fits 0.500˝ fan spacer) Photo-0
Special order
ARP 234-4345 Head Stud Kit for Gen III/IV LS Series small block (2004 & later) w/ all same length studs. ARP2000. 12pt Photo-0 ARP 234-4345 Head Stud Kit for Gen III/IV LS Series small block (2004 & later) w/ all same length studs. ARP2000. 12pt Photo-1
Special order
ARP 200-8545 M14 ID 2.00 OD washer Photo-0
Special order
ARP 134-7504 CHEVROLET LS Gen III/IV, with 0.375˝ spacer, 8740, 12pt, valve cover bolt kit Photo-0
Special order
ARP 301-8401 M11 X 1.25, (M13 wr) 12pt 10pc nut kit Photo-0
Special order
ARP 234-4344 Head Stud Kit for Gen III LS Series small block (2003 & earlier). 4 short. 16 long. ARP2000. 12pt Photo-0 ARP 234-4344 Head Stud Kit for Gen III LS Series small block (2003 & earlier). 4 short. 16 long. ARP2000. 12pt Photo-1
Special order
ARP 200-8451 5/16ID .655 OD chamfer washers Photo-0
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ARP 256-5802 Main Stud Kit for Ford 6.2L V8 Photo-0
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ARP 117-5001 Main Bolt Kit for Cadillac 365-390 1949-'62 Photo-0
Special order
ARP 200-8441 5/16ID .655 OD chamfer washers Photo-0
Special order
ARP 247-4301 Head Stud Kit for Dodge Viper SRT-10 2008-2010. M11. ARP2000 Photo-0

Bolts and studs are the backbone of any engine assembly, ensuring that all components are securely fastened and able to withstand the immense forces generated during operation. These fasteners play a critical role in maintaining the integrity and performance of your engine, particularly in high-stress environments where standard hardware may fail. At ATOMIC-SHOP, we offer a comprehensive selection of high-strength bolts and studs designed to meet the demands of both street and racing engines. Whether you’re building a new engine or upgrading an existing one, using quality fasteners is essential for ensuring long-term reliability and performance.

Upgrading to high-performance bolts and studs is crucial for anyone looking to push their engine to higher power levels. These components are designed to handle the increased loads associated with high horsepower and torque, providing the strength and durability needed to keep your engine together under extreme conditions. Performance bolts and studs are typically made from advanced materials such as ARP 2000, Inconel, or titanium, which offer superior tensile strength, corrosion resistance, and heat tolerance compared to standard fasteners.

In critical areas such as the cylinder head, connecting rods, and main caps, the quality of the bolts and studs used can directly impact the engine’s ability to maintain proper compression and alignment. High-strength studs, for example, are preferred in these applications because they provide a more even distribution of clamping force compared to bolts, reducing the risk of warping or shifting under load. This is especially important in high-compression or forced induction engines, where maintaining precise alignment and seal integrity is critical to preventing leaks and ensuring efficient combustion.

In addition to strength, another key consideration when selecting bolts and studs is their ability to resist fatigue over time. Engines that operate at high RPMs or under continuous heavy load can cause standard fasteners to stretch or fail due to metal fatigue. High-performance fasteners are engineered to withstand these stresses, providing consistent clamping force and preventing catastrophic failures that could result in costly engine damage. By investing in quality bolts and studs, you ensure that your engine can handle the rigors of high-performance driving and maintain its reliability over the long term.

At ATOMIC-SHOP, we understand that every detail matters when it comes to building or upgrading an engine. That’s why we offer only the best bolts and studs from trusted manufacturers known for their commitment to quality and precision. Our products are rigorously tested to ensure they meet the highest standards of performance and durability, giving you the confidence that your engine is built to last. Whether you’re working on a naturally aspirated engine, a turbocharged setup, or a supercharged powerhouse, our expert team is here to help you select the right fasteners for your specific application.

Explore our range of bolts and studs today and discover how upgrading these critical components can enhance your engine’s strength, reliability, and overall performance. With ATOMIC-SHOP, you’re not just securing your engine — you’re investing in the precision and durability that will keep your vehicle performing at its best in any situation.