Engine Block

ARP Head Stud Kit - BMW N55/S55

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:23416542

Part#: ARP-HSK-S56-CA

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$ 999.99 USD

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$ 999.99 USD

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Eccentric Shaft Replacement Kit - N55/S55

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T#:21735862

Part#: CAMGSKTN55S55KT

Ships in 3 Business Days

$ 1,209.99

This product was last offered at the strikethrough price on
06-19-2026

$ 1,208.99 USD

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$ 1,208.99 USD

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When it comes to optimizing the performance and longevity of your BMW N55 or S55 engine, few upgrades can rival the impact of replacing the camshaft, bearings, and gaskets. These essential components play a pivotal role in your engine's overall health and performance, and upgrading them can deliver a host of benefits, from increased power to enhanced reliability. In this article, we'll explore the advantages of investing in these critical upgrades for your BMW N55 or S55 engine. Improved Performance: Upgrading your BMW N55 or S55 engine with a new camshaft can significantly boost its performance. A high-quality camshaft can optimize valve timing, leading to improved airflow and combustion efficiency. This, in turn, results in increased horsepower and torque, providing you with a more exhilarating driving experience. If you're seeking that extra punch when you hit the gas pedal, a new camshaft is the way to go. Enhanced Durability: The camshaft, bearings, and gaskets are fundamental components of your engine's internal structure. Over time, wear and tear can cause these parts to degrade, potentially leading to catastrophic engine failure. By replacing these components with high-quality, performance-oriented alternatives, you're not only increasing horsepower but also reinforcing the engine's durability. This can help prevent costly breakdowns and extend the life of your BMW engine. Optimal Efficiency: Efficiency is a key factor in engine performance. Worn-out bearings and gaskets can lead to oil leaks and reduced engine efficiency. Replacing them ensures a tighter seal, minimizing oil leaks and maintaining the proper lubrication for all moving parts. This leads to better fuel efficiency and a smoother, more reliable engine operation, all while reducing maintenance costs in the long run. Increased Resale Value: Investing in high-quality components like camshafts, bearings, and gaskets not only enhances your driving experience but also adds value to your BMW. When it's time to sell or trade-in your vehicle, potential buyers or dealerships will recognize the value of these upgrades, making your car more desirable and potentially increasing its resale value. Kit for All N55/S55 Engines

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Xtreme Duty Cylinder Sleeve Set - S58

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:22427043

Part#: 5150-CS-S58

Ships in 4 Business Days

$ 1,200.00 USD

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$ 1,200.00 USD

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Introducing 5150 Autosport's Xtreme Duty Cylinder Sleeves. Benefits of Engine Sleeving: Increased Bore Size: Boost power and torque with a larger bore size. Superior Strength: Iron sleeves are perfect for high-power applications, reducing the risk of cylinder wall cracking. Custom Thickness: Prepare your engine for high-performance modifications, including high boost and turbo applications, with thicker cylinder walls. Efficient Heat Dissipation: Improved heat transfer ensures your engine can handle the higher temperatures of high-performance use. Prolonged Engine Life: Reinforced areas and efficient heat transfer reduce the risk of catastrophic failures in high-stress conditions. Compatibility with Upgrades: Ideal for various high-performance modifications like high compression pistons, forced induction, and aggressive cam profiles. Please note that engine block sleeving is a precise process requiring expertise. Consult with our experienced advising team to determine the right components for your goals.

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ARP Main Stud Kits - S58

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:22427031

Part#: ARP-MSK-S58

Ships in 4 Business Days

$ 229.99 USD

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$ 229.99 USD

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Elevate your BMW S58 engines with the ARP Main Stud Kit, replacing part numbers 11118604584. These studs prevent main cap walk, ensuring stability and protecting the engine from potential damage. They also safeguard the engine block threads, adding an extra layer of protection. Opting for main studs over factory bolts requires engine builders to mic the bores. Studs may require a line hone for proper fitment and alignment, ensuring round and concentric main bearing bores, preventing premature bearing wear, and ensuring optimal oil clearance.

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5150 AutoSport Pro-Series Turbo Build Kit - Level 2 (1000 HP) - BMW S...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:23416563

Part#: PRO1000S55

Ships in 4 Business Days

$ 6,299.99 USD

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$ 6,299.99 USD

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An all-encompassing kit packed with forged internals custom-assembled at 5150 Autosport to prepare your BMW S55engine for high horsepower and high boost levels!

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ARP Head Stud Kit - BMW N55/S55

Eccentric Shaft Replacement Kit - N55/S55

Xtreme Duty Cylinder Sleeve Set - S58

ARP Main Stud Kits - S58

5150 AutoSport Pro-Series Turbo Build Kit - Level 2 (1000 HP) - BMW S...

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