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VAC Motorsports 4-Pin Crank Hub Kit with Seal Guard – BMW N54, N55, S55 Engines
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VAC Motorsports 4-Pin Crank Hub Kit with Seal Guard – BMW N54, N55, S55 Engines
Engine:
N54
N55
S55
Add N54 High Performance Crank Damper
($899.95 additional charge)
Add S55 High Performance Crank Damper
($899.95 additional charge)
Price:
$1,200.00
$1,099.95
SKU:
VAC-11-CH-N54
Description
Customer Reviews
Eliminate the infamous BMW crank hub failure with the VAC Motorsports 4-Pin Crank Hub Kit.
For over 15 years, N54, N55, and S55 engines have been plagued by failed crank hubs, leading to crankshaft spin, skipped timing, oil starvation, and catastrophic engine damage. VAC engineered a permanent motorsport solution that outperforms OEM by design.
The VAC 4-Pin Crank Hub is CNC-machined with extreme precision to prevent the valve timing and oil pump chains from spinning independently. Its 4-pin design locks the hub to the crank nose, ensuring the assembly stays accurate under high stress and high RPM. By combining the crank hub and timing sprocket into a single billet unit, VAC reduced the stock 3-piece assembly to 2 pieces, improving rigidity and reliability.
Every kit includes:
1-piece billet crank hub/timing gear
Keyed oil pump gear
Genuine BMW crankshaft bolt
Drill bit & drill guide
VAC Billet Crank Seal Guard
✅ Direct Fit BMW Applications
BMW E90 / E92 / E93 335i (N54/N55)
BMW E82 135i (N54)
BMW F30 / F32 / F36 335i, 340i, 435i, 440i (N55)
BMW F87 M2 (N55/S55)
BMW F80 M3 (S55)
BMW F82 / F83 M4 (S55)
BMW F10 535i (N55)
BMW Z4 35i / 35is (N54/N55)
BMW X5 / X6 xDrive35i, M40i (N55)
Made in the USA, the VAC 4-Pin Crank Hub Kit is track-proven insurance against one of the most expensive and devastating BMW engine failures.
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VAC Motorsports Crank Seal Guard – BMW N52, N54, N55, S55 Engines
$199.95
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VAC Motorsports Harmonic Damper by ATI, BMW N52/N54
$899.95
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VAC Motorsports Harmonic Damper by ATI, BMW S55, N55
$899.95
$809.96
215.462.4666
sales@vacmotorsports.com
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