For the devoted community of BMW enthusiasts navigating the roads with the N54, N55, or S55 engine variants, the recurring nightmare of failed crank hubs has been an enduring challenge for the past 15 years.

The potential consequences, ranging from crankshaft spin to skipped timing and even catastrophic engine damage, have spurred a relentless pursuit of a reliable solution. Enter the VAC Motorsports 4 Pin Crank Hub, a meticulously engineered and CNC-machined marvel designed not only to address but eliminate the common issues associated with OEM crank hubs.

Precision Engineering for Unmatched Accuracy with VAC Motorsports

At the heart of the VAC Motorsports 4 Pin Crank Hub lies an unwavering commitment to precision engineering. Going above and beyond the capabilities of OEM counterparts, this crank hub features an innovative four-pin design. This design not only prevents valve timing and oil pump chains from spinning independently but also mechanically secures the crank hub to the crank nose, ensuring a secure and accurate assembly. This critical improvement minimizes the risks associated with timing-related failures, providing BMW enthusiasts with the reliability they demand.

Get the  VAC Motorsports 4 Pin Crank Hub at our BMW machine shop here. 

Streamlined Design for Enhanced BMW Performance:

VAC Motorsports takes innovation a step further by streamlining the assembly process. Through careful engineering and design, they have transformed a conventional three-piece assembly into a simplified two-piece unit. By combining the hub and timing sprocket into a single machined component, the overall integrity of the assembly is enhanced.

This not only simplifies maintenance but also ensures consistent performance. As long as the bolt is properly tightened to the crank, the timing sprocket remains in perpetual sync with the crank, contributing to optimal engine performance.

Comprehensive Kit for Hassle-Free Installation:

The VAC Motorsports 4 Pin Crank Hub kit is a testament to the brand's commitment to user-friendly solutions. The comprehensive kit includes a one-piece crank hub/timing gear, a keyed oil pump gear, a genuine BMW crankshaft bolt, a drill bit, a drill guide, and a VAC Crank Seal Guard. This thoughtful compilation of tools and components ensures that enthusiasts and professional mechanics have everything they need for a seamless installation process. It's not just a product; it's a complete solution to enhance the longevity and reliability of BMW engines.

Testament to Reliability:

In the ever-evolving world of precision engineering and performance upgrades, the VAC Motorsports 4 Pin Crank Hub stands out as a reliable solution for addressing and preventing the common issues associated with failed OEM crank hubs. The meticulous design, CNC machining, and comprehensive kit make this crank hub a dependable choice for BMW enthusiasts seeking peace of mind on the road. Drive with confidence, knowing you've invested in a solution that prioritizes both performance and peace of mind.

Where to buy the VAC Motorsports 4 Pin Crank Hub?

If you're in search of the VAC Motorsports 4 Pin Crank Hub, consider checking with Miami Engines, a reputed BMW machine shop known for its specialty in high-performance automotive parts. Miami Engines carries a selection of aftermarket components, and the VAC Motorsports 4 Pin Crank Hub is in their original BMW parts and engine inventory.