SKU: 66508302591

SSR PERFORMANCE DOUBLE-KEYED 4-PIN CRANK HUB BUNDLE FOR BMW M3 F80 M4 F82 F83 & M2 COMPETITION F87 S55

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Description

SSR PERFORMANCE DOUBLE-KEYED 4-PIN CRANK HUB BUNDLE FOR BMW M3 F80 M4 F82 F83 & M2 COMPETITION F87 S55DOUBLE KEYED CRANK HUB What is a Double Keyed Crank Hub? Failed or spun crank hubs have been reported throughout the S55 community on a regular basis, which has lead to valid concerns of the integrity of the factory hub, bolt and sprocket assembly. If a crank hub fails or spins it will cause the engine valve timing to skip or jump, potentially causing engine damage or failure. We have seen several of these through our workshop, we highly recommend

DOUBLE KEYED CRANK HUB


What is a Double-Keyed Crank Hub?

Failed or spun crank hubs have been reported throughout the S55 community on a regular basis, which has lead to valid concerns of the integrity of the factory hub, bolt and sprocket assembly. If a crank hub fails or spins it will cause the engine valve timing to skip or jump, potentially causing engine damage or failure.

We have seen several of these through our workshop, we highly recommend fixing the crank hub issue for any engine that has completed over 60,000km and is used on track days or hard downshifting.

SSR's new double-keyed and two-piece crank hub has fast become known as the reliable alternative to the factory design.

Double-Keyed Locking Assembly design locks the valve timing chain sprocket and the oil pump chain sprocket together to prevent one from spinning independent of the other. The oil pump sprocket is also pinned to the crankshaft nose. This Double-Keyed design ensures the sprockets will not rotate out of position.

Two-Piece Design. The original crank hub assembly is made up of three pieces; the hub, the engine timing sprocket, the oil pump sprocket and the crankshaft bolt. The SSR Performance design combines the hub and timing sprocket into one machined piece. This ensures that as long as the bolt is properly tightened to the crank the timing sprocket is always in sync with the crank. This acts as added insurance to the double-keyed design mentioned above.

WHY DO I NEED IT?

If your BMW M3 F80, M4 F82, F83 or M2 Competition F87 S55 is track used, modified or heavily modified installing the SSR Crank Hub is highly recommended. A spun crank can lead to engine failure with repair costs in excess of $20,000 or if slightly luckier broken down until vehicle is sent back to workshop for the crank hub to be replaced anyway and the engine retimed.

The SCH (Spun Crank Hub) failure has been seen on both stock and modified S55 engines. If you are modifying your car, doing track work or driving hard then upgrading the crank hub in your S55 powered M car is a fail safe you will not regret.

NOTE: Drilling holes into the crankshaft using the supplied specialty drill bit is required to mate the locking pins with the crankshaft.

100% BULLETPROOF.

Globally we understand there is a 100% success rate of the SSR Performance Double-Keyed 4-Pin Crank Hub.

SSR PERFORMANCE CRANK HUB BUNDLE INCLUDES:

  • SSR Performance Two-Piece Keyed Crank Hub (SSR-S55-CRANK)

  • Crank Bolt Capture (Part No. S55-CBC)

  • Genuine BMW Parts OEM Crank Bolt (Part no. BM-11217614270)

  • Genuine BMW Parts OEM Valve Cover Gasket (Part no. BM-11127587804)

  • Genuine BMW Parts OEM Cam Bolts (2) (Part no. BM-11367524954)

  • Genuine BMW Parts OEM Engine Inspection Plug (2) (Part no. BM-11117849396)

  • Genuine BMW Parts OEM Front Main Seal (Part no. BM-11118618864)

  • Genuine BMW Parts OEM Brake Booster Vacuum Pump Seal Cap (Part no. BM-11117530262)

  • Genuine BMW Parts OEM Oil Pump Chain Tensioner Access Cap (Part no. BM-11117615131)

  • Genuine BMW Parts OEM Sump Gasket (Part no. BM-11137600482)

  • Genuine BMW Parts OEM Sump Bolts (Part no. BM-11132210959)

  • MAHLE or MANN Filter Oil Filter

  • Specialty Drill Bit

  • Drill Fixture Tool

  • Drill Fixture Bolt

INSTALLATION:

Installation of any crank hub solution is extensive and must be carried out by highly qualified technicians only, the oil pan, valve covers, subframe, steering and suspension must be removed and re-installed. BMW-Specific specialty tools are required in order to set the engine cam and valve timing. Drilling holes into the crankshaft using the supplied specialty drill bit is required to mate the locking pins with the crankshaft.

We have done a number of these at BM Performance Centre.

WARNING: Improper installation may cause irreversible engine damage.

INSTALLATION TIPS:

  1. This is a great time to upgrade your turbos as everything is out of the way.
  2. For high output or high km builds it is also a great time to consider replacing the rod bearings, everything is out of the way and ready to go for a very quick and easy installation.
  3. Many components, bolts and hardware are single-use only, please ensure no bolts are re-used during this installation that should not be.
  4. The oil system must be primed prior to re-starting the engine due to the crankcase being opened up and pressure being released.

APPLICATIONS:

  • BMW M3 F80 (2014-2018)

  • BMW M3 F80 Competition (2016-2018)

  • BMW M4 F82/F83 (2014-2020)

  • BMW M4 F82/F83 Competition (2016-2020)

  • BMW M4 GTS (2016)
  • BMW M2 CS (2020)
  • BMW M2 Competition F87 (2018-2020

 


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    Exchange/Return Notes
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    SKU: 66508302591

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    4.2 ★★★★★
    Based on 28 reviews
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    Y. Dulak
    Whiting, US
    ★★★★★ 5
    Keeps pups busy, good for chewers.
    Size: Medium, Color: Antler
    My dogs love this product. Keeps them busy and it lasts. Just watch out for your feet when they drop it! Heavy
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 17, 2026
    M
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    Margaret F.
    Pawtucket, US
    ★★★★★ 5
    Power Chewer Loves This!
    Size: Medium, Color: Antler
    This is my dog's new favorite chew! She loves that she can hold it in her paws. I think she really loves the taste and texture of it. I don't give her antlers as I have heard too many horror stories about broken teeth. I also don't give her nylon toys as I have also heard a lot of horror stories of broken teeth as well as concerns about them digesting the plastic. This is between antlers and bully sticks, which is perfect for a power chewer. I feel comfortable with her eating the pieces that flake off this toy. She loves chewing and she will default to this toy when she wants to help calm down. I don't notice much of a smell. It does flake, but not enough I will even take a star off. Plus, it's plant based and vacuums up easily once dried. It doesn't capture her attention as much as bully sticks or beef cheek chews, but it's much less expensive over time and doesn't stink up our living room! She will also always pick this over any of her rubber chews. Great product and recommend it for all the power chewers.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 23, 2025
    J
    Verified Purchase
    JA
    Pawtucket, US
    ★★★★★ 3
    Crumbly, odd texture
    Size: Large, Color: Duo Pack
    Neither of my dogs were very interested in these. They did chew on the antler-shaped versions more so than the infinity-style versions. When they did chew on these, they didn’t hold up well or last long. These have a strange, crumbly texture when chewed. You’ll find bits and pieces of these chews where the dogs have been chewing. Will not be reordering.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 5, 2026
    M
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    Michael Quiroz
    New York, US
    ★★★★★ 4
    This appears to be a good alternative to the hard plastic chew toys.
    Size: Large, Color: Duo Pack
    My dog is a heavy chewer. I decided to try this brand out after using a different brand for quite awhile. while my dog seems to like it and carries it around (the pretzel shaped one) he doesn't seem to attack it as whole heartedly as his old brand, I'm thinking it might be the shape, we will see when he wears it out and I switch him to the antler shape. What I like most about it is it doesn't tear my hand up like the other brand did after he had been chewing it for awhile. While it is wearing down some it seems to do it in a more mild manner. Since we haven't had it long I would give this 3.5 stars because I don't know if it will last as long and not sure f it is just the shape that has him more mellow with it.
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    Reviewed in the United States on January 27, 2026
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    TENYA
    Natrona Heights, US
    ★★★★★ 5
    Choose your shape
    Size: Medium, Color: Duo Pack
    I love the idea of the dogs not eating nylabone plastic so have been searching for "healthier" options that last for heavy chewers. Two German Sherpherds, they are not big fans of the circular shaped toy but love the antler shaped one and even with both chewing on it, has not been destroyed yet and is not cutting their gums open. I am not finding pieces laying in the carpet. Recommend this
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 29, 2026

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