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BMW Internal Engine Parts

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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Titanium Retainers - Set Of 8 - BMW B48 - Intake Side
Titanium Retainers - Set Of 8 - BMW B48 - Intake Side
Supertech - Corporate Logo
T#:54388410
Part#: RET-BMB48-TI-8
Ships in 9 Business Days
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$ 145.99 USD
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$ 145.99 USD
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By minimizing moving weight, these retainers help prevent valve float at extended RPM ranges, ensuring your engine maintains precise timing and peak power delivery under the most demanding track conditions.
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Supertech Intake Valve - Set Of 8 - Head 32.0mm (+1.8)
Supertech Intake Valve - Set Of 8 - Head 32.0mm (+1.8)
Supertech - Corporate Logo
T#:54388512
Part#: MCIVN-1008T-8
Ships in 9 Business Days
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$ 225.99 USD
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$ 225.99 USD
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Supertech Performance brings decades of racing experience to their valvetrain components. By utilizing state-of-the-art manufacturing processes and rigorous testing, these valves provide the perfect balance of lightweight design, high-flow geometry, and bulletproof durability needed for forced induction, nitrous, or high-revving naturally aspirated builds.
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Supertech Forged I-Beam Connecting Rod Kit - BMW B58 3.0L
Supertech Forged I-Beam Connecting Rod Kit - BMW B58 3.0L
Supertech - Corporate Logo
T#:57086686
Part#: CRBMB58-I148.3-6
Ships in 9 Business Days
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$ 1,864.99 USD
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$ 1,864.99 USD
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Supertech connecting rods for BMW B58B30 applications are designed for racing reliability and high-RPM use, rated for up to 1600 hp. Forged and machined from premium high-strength alloy with ARP fasteners included.
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ARP2000 12PT HSK - S63
ARP2000 12PT HSK - S63
ARP - Corporate Logo
T#:54104152
Part#: 201-4702
Ships on Oct 28, 2026
New Item
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
Add to Wish List
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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