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ARP 400-8525 Washer Kit 1/4˝ID x 0.550˝ OD x 0.075 thick chamfered ARP Stainless washer Photo-0
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ARP 434-7503 Valve Cover Bolt Kit for Chevrolet LS Gen III/IV. with 0.375˝ spacer. ARP Stainless. hex Photo-0
Special order
ARP 200-8669 SAE Washer Kit 8740 Chrome Moly 1/4˝ x .550 x .075 (ID x OD x Thickness) Chamfer: No Photo-0
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ARP 330-6804 Lower Pulley Bolt Kit for Chevrolet Small Block. Big Block. 3-piece. hex Photo-0
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ARP 200-8658 SAE Washer Kit 8740 Chrome Moly 1/4˝ x .550 x .075 (ID x OD x Thickness) Chamfer: Yes Photo-0
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ARP 200-8765 3 / 8 ID .655 OD no chamfer black washer Photo-0
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ARP 200-8786 7 / 16 ID .765 OD black washer 2pk Photo-0
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ARP 401-8382 Nut Kit M11 x 1.25. M14 wrench. ARP Stainless. 12pt Photo-0
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ARP 350-6808 Lower Pulley Bolt Kit for Ford. 3-piece. hex Photo-0
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ARP 200-8790 SAE Washer Kit 8740 Chrome Moly 7/16˝ x .705 x .090 (ID x OD x Thickness) Photo-0
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ARP 247-4210 Head Stud Kit for Cummins ISL 8.3/8.9L 12V 1990-98 12pt ARP2000 Photo-0
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ARP 430-6803 Lower Pulley Bolt Kit for Chevrolet Small Block. Big Block. 3-piece. ARP Stainless. 12pt Photo-0
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ARP 400-8746 M10 ID .850 OD SS washer Photo-0
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ARP 234-3725 Head Bolt Kit for Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts. ARP2000. 12pt Photo-0 ARP 234-3725 Head Bolt Kit for Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts. ARP2000. 12pt Photo-1
Special order
ARP 746-1500 7 / 16-20 X 1.500 BLK 1 / 2 12PT 5 Photo-0
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ARP 400-8513 1/2ID 7/8OD SS washer Photo-0
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ARP 430-6805 Lower Pulley Bolt Kit for Chevrolet Small Block. Big Block. 3-piece. ARP Stainless. 12pt Photo-0
Special order
ARP 430-6806 Lower Pulley Bolt Kit for Chevrolet Small Block. Big Block. 3-piece. ARP Stainless. hex Photo-0
Special order
ARP 350-6806 Lower Pulley Bolt Kit for Ford. 3-piece. 12pt Photo-0
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ARP 400-8325 9/16-18 SS 12pt nut kit Photo-0
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ARP 234-3603 Head Bolt Kit for Chevrolet LSA. ARP2000. hex Photo-0 ARP 234-3603 Head Bolt Kit for Chevrolet LSA. ARP2000. hex Photo-1
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ARP 400-3227 Water Pump Pulley Stud Kit 5/16-24 X 3.750˝. ARP Stainless. polished. 12pt (fits 2.500˝ fan spacer) Photo-0
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ARP 234-3726 Head Bolt Kit for Chevrolet LSA. ARP2000. 12pt Photo-0 ARP 234-3726 Head Bolt Kit for Chevrolet LSA. ARP2000. 12pt Photo-1
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ARP 134-3713 CHEVY LSA 8740 12PT HEAD BOLT KIT Photo-0 ARP 134-3713 CHEVY LSA 8740 12PT HEAD BOLT KIT Photo-1
Special order
ARP 430-6808 Lower Pulley Bolt Kit for Chevrolet Small Block. Big Block. 3-piece. ARP Stainless. hex Photo-0
Special order
ARP 400-3222 Water Pump Pulley Stud Kit 5/16-24 X 2.500˝. ARP Stainless. polished. 12pt (fits 1.250˝ fan spacer) Photo-0
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ARP 200-8785 3 / 8 ID .655 OD no chamfer black washer 10pk Photo-0
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ARP 912-0014 M10 X 2.00 thread cleaning tap Photo-0
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ARP 400-3217 Water Pump Pulley Stud Kit 5/16-24 X 1.450˝ with starter nose. ARP Stainless. polished. 12pt Photo-0
Special order
ARP 134-3710 Head Bolt Kit for Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts. 8740. 12pt Photo-0 ARP 134-3710 Head Bolt Kit for Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts. 8740. 12pt Photo-1
Special order
ARP 247-4209 Head Stud Kit for Cummins C8.3L 12V 1985-90 12pt ARP2000 Photo-0
Special order
ARP 234-3602 Head Bolt Kit for Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts. ARP2000. hex Photo-0 ARP 234-3602 Head Bolt Kit for Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts. ARP2000. hex Photo-1

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.