BMW Internal Engine Parts for BMW F91 M8 S63 4.4L

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Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

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ARP Cylinder Head Stud Kit - Custom Age 625+ - BMW S63 4.4L

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

T#:51110152

Part#: 201-4703

Ships in 8 Business Days

$ 1,099.99 USD

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$ 1,099.99 USD

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For engine builders pushing the absolute limits of high-performance engineering, the ARP Custom Age 625+ Cylinder Head Stud Kit represents the pinnacle of fastening technology. While standard aircraft-quality steels and even the renowned ARP2000 alloy are impressive, the proprietary Custom Age 625+ super-alloy provides a massive leap in capability by increasing tensile strength by an additional 40,000 to 60,000 psi. This specialized hardware is engineered specifically for ultra-high-boost applications, offering superior fatigue resistance and the unique ability to maintain its structural integrity under extreme temperatures that would cause lesser materials to weaken.

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CTA Tools N63/S63 Crankshaft Holder

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

T#:587213

Part#: CTA2893X05

Ships on Jul 28, 2026

$ 72.04 USD

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$ 72.04 USD

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If you have to remove your harmonic balancer pulley, you must secure your crankshaft. This is the exact tool you need Loosens central crankshaft bolt on N63 & S63 engines Services various 2008-2013 BMW Basic Instructions for use: Removal: Remove the engine drive belt. Use the Crankshaft Pulley Holder, to prevent the crankshaft from rotating while loosening the crankshaft balancer bolt. Remove the crankshaft balancer bolt. Discard the bolt. Remove the crankshaft balancer. Install: Install the crankshaft balancer. Install a NEW crankshaft balancer bolt. Use the Crankshaft Pulley Holder to prevent the crankshaft from rotating while tightening the crankshaft balancer bolt. Tighten the bolt to Manufacturer recommended ft. lbs. Install the engine drive belt.

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Plastigage Set

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

T#:640925

Part#: CTA2450

In Stock

$ 9.27 USD

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$ 9.27 USD

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Plastigage Set is an essential tool for accurately measuring the clearances of engine rod and main bearings without the need for expensive micrometers. This set is ideal for ensuring proper engine assembly by helping you choose the correct size replacement bearing inserts. Designed to cover all automotive engines, the Plastigage Set provides precise measurements to maintain optimal engine performance.

Accurate Measurements: Measures clearances of engine rod and main bearings, ensuring proper fitment.
Cost-Effective: Eliminates the need for expensive micrometers, offering a budget-friendly solution.
Universal Application: Suitable for all automotive engines, making it versatile for various applications.
Complete Set: Includes sizes .001" - .003" (green) and .002" - .006" (red) to cover a wide range of measurements.

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ARP Ultra-Torque Fastener Assembly Lubricant (Select Your Size) ...

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

T#:338571

Part#: TMS1733

In Stock

Starting at $ 1.99 USD

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Starting at $ 1.99 USD

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If you are using a premium fastener, such as the ARP brand rod bolts, head bolts, or main bolts, then you will want this assembly lube. Made to be used to precisely duplicate all ARP fastener preload specifications.

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ARP2000 12PT HSK - S63

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

T#:54104152

Part#: 201-4702

Ships on Jul 27, 2026

20% off MSRP $ 639.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 511.99 USD

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20% off MSRP

$ 639.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 511.99 USD

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Developed specifically for high-boost, high-horsepower motorsport applications, the ARP Head Stud Kit provides the ultimate clamping force required to maintain a perfect head-to-block seal under the most grueling race conditions.

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BMW Internal Engine Parts for BMW F91 M8 S63 4.4L

Sub-Categories

ARP Cylinder Head Stud Kit - Custom Age 625+ - BMW S63 4.4L

CTA Tools N63/S63 Crankshaft Holder

Plastigage Set

ARP Ultra-Torque Fastener Assembly Lubricant (Select Your Size) ...

ARP2000 12PT HSK - S63

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