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HMS 6042
Calculated at checkout

Product Description



The shape of the Slammer is not the traditional ball shaped shift knob for a reason. The ergonomics behind an overhand grip shift position require a full form shape at the bottom and a flatter top shape to fill your palm. The combination of these elements drove the shape of the Slammer.



With the weight in all the right places, Slammer redefines your shifting experience through the look and feel of how you shift into gear. You will experience smoother and faster shifts!



Well, to put it as simply as we can, the heavier the knob, the easier it will make shifting feel. Its not magic, its physics. Weight in motion directly relates to how an object will react to an opposing force. In this case, the opposing force is the gate pattern and counter springs that are connected to your shift arm that tell you the shift pattern of your car. The difference felt when shifting into the next gear requires far less effort due to the additional momentum created by the increased mass.




The Slammer is cnc turned from 303 stainless steel. Machining stainless steel is not an easy task. It requires close supervision of our cnc turning centers and tooling to ensure a flawless part and surface finish.


The Slammer is then engraved with our signature shift gate pattern on our vertical milling machine. You have the choice, get the shift gate pattern engraved for the slick graphic design or no engraving for a smooth and clean design.


The final touch is done completely by hand. We brush finish each shift knob, one at a time by hand on a high speed electric motor.



Mini Non-Threaded Adapter Kit

Our non-threaded adapter kit is specifically designed and custom machined to fit onto the Mini shifter arm. Simply slide the non-threaded adapter onto your shifter arm, set the height and orientation of the shift knob, then tighten the four set screws into the shifter arm for a fit that leaves no room for wiggle or loosening. We hold a critical dimensional tolerance on the non-threaded adapter so it is a snug fit onto the shifter arm.

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Helix Motorsports

Welcome to Helix13, your home for MINI Cooper and BMW service, maintenance, performance and lifestyle. We serve the enthusiast from our headquarters in Philadelphia, PA, with everything from routine maintenance, to major repairs, performance upgrades and dyno consulting. Whether you are looking to keep your daily driver in perfect condition, or you want to build a street/track monster, we provide the expertise to achieve your goals. We also design and produce a line of dynamomoeter-proven performance products with real-world power and porformance gains. To learn more, or set an appointment at our Philadelphia headquarters, don't hesitate to give us a call at 267-335-4337.

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