BMW Internal Engine Parts for BMW Z Series G29 (2019+)

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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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Crankshaft Socket - S54 / B46 / B48 / B58

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T#:2181320

Part#: LCB226SCH

Ships on Sep 30, 2026

Sale - Save 25% $ 59.99

This product was last offered at the strikethrough price on
05-03-2026

$ 44.99 USD

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Qty

Sale - Save 25%

$ 59.99

This product was last offered at the strikethrough price on
05-03-2026

$ 44.99 USD

Add to Wish List

Enhance BMW engine maintenance with the Crankshaft Socket - B46 / B48 / B58, an essential tool for effortless engine rotation during timing jobs or valve timing adjustments.

Specifically designed for BMW B46, B48, and B58 engines
Facilitates easy and precise engine rotation
Ideal for timing jobs and valve timing adjustments
Ensures proper alignment and maintenance accuracy

Upgrade your BMW maintenance toolkit with the Crankshaft Socket, providing the necessary precision for timing tasks and valve adjustments on B46, B48, and B58 engines.

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High Performance Valve Spring Kit - B58

T#:25938619

Part#: KEL-HPVSK-B58

Ships in 3 Business Days

$ 699.99 USD

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$ 699.99 USD

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Kelford's performance valve spring and titanium retainer kit is designed to work with the B58B30 straight-6 engine. Made using high-performance PACALOY™, this kit is sure to offer outstanding performance. This kit is specifically engineered to work well with their Stage 1, Stage 2, and Stage 3 camshafts to provide exceptional quality, reliability, and performance. 90lb seat pressure at 36.5 mm installed height; 193lb at 11.0 mm valve lift Spring coil bind height at 23.6 mm

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Kelford Camshaft Set - Gen 2 B58

T#:25938642

Part#: KEL-B58-GEN2

Ships in 3 Business Days

Starting at $ 2,394.98 USD

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Starting at $ 2,394.98 USD

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BMW B58 Gen2 - Stage 1 Street | Strip | Circuit Race | Road Race | Roll Race | Drift | E85 270° / 268° - 10.30mm / 10.15mm Valve Lift 270°/268° cams to suit BMW's Gen 2 B58 engine with bolt-on intake, exhaust, and turbo upgrades. For an engine producing around 550-750hp running a 58-68mm turbo. Still maintains full use of Valvetronic and Double VANOS for good throttle response and wide power band. Must have valve spring upgrade. BMW B58 Gen2 - Stage 2 Strip | Drag Race | Circuit Race | Road Race | Roll Race | Drift | E85 285° / 280° - 10.30mm / 10.60mm Valve Lift 285°/280° stage 2 racing cams for professionally built BMW Gen 2 B58 engine making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums. Still can maintain full use of Valvetronic and Dual VANOS. Can run Valvetronic locked in the fully open position when using an aftermarket throttle body. Must have valve spring upgrade. BMW B58 Gen2 - Stage 3 Strip | Drag Race | Roll Race | Drift | E85 | Methanol 288° / 288° - 10.35mm / 10.80mm Valve Lift 288° Stage 3 drag racing cams for professionally built B58 Gen 2 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel-type ethanol blend or methanol. Must use aftermarket high-flow plenum with a throttle body conversion. Recommend locking the Valvetronic system at 100% swing. Must have valve spring upgrade. High Performance Valve Spring Kit - B58 Kelford's performance valve spring and titanium retainer kit is designed to work with the B58B30 straight-6 engine. Made using high-performance PACALOY™, this kit is sure to offer outstanding performance. This kit is specifically engineered to work well with their Stage 1, Stage 2, and Stage 3 camshafts to provide exceptional quality, reliability, and performance. 90lb seat pressure at 36.5 mm installed height; 193lb at 11.0 mm valve lift Spring coil bind height at 23.6 mm

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BMW B58 3.0L VAC Performance Coated Rod Bearing Kit

T#:31158824

Part#: VAC-HPRBK-B58

Ships on Sep 21, 2026

$ 629.99 USD

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$ 629.99 USD

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BMW B58 3.0L VAC Performance Coated Rod Bearing Kit

The BMW B58 3.0L VAC Performance Coated Rod Bearing Kit offers an exceptional upgrade for performance enthusiasts seeking superior reliability and durability. These bearings are crafted with precision and feature a high-quality coating that enhances their performance. Unlike conventional treated bearings, this kit includes a physical coating layer that combines excellent embeddability with dry-lubricant properties, making it ideal for BMW engines.

Precision Engineering: Manufactured with high precision and repeatability for optimal performance.
Advanced Coating: Features a physical coating layer for superior embeddability and dry-lubricant properties.
Enhanced Tolerance: Designed to run well across engine tolerances, reducing typical failures associated with OEM bearings.
Improved Cold Starts: Ideal for both street and race engines, providing reliable performance during cold starts.
Performance Upgrade: Offers a significant upgrade over OEM bearings, enhancing engine reliability and longevity.

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BMW Internal Engine Parts for BMW Z Series G29 (2019+)

Sub-Categories

Crankshaft Socket - S54 / B46 / B48 / B58

High Performance Valve Spring Kit - B58

Kelford Camshaft Set - Gen 2 B58

BMW B58 3.0L VAC Performance Coated Rod Bearing Kit

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