Increasing the bore and stroke of your S14 from 2.3L to 2.5 yields a wider powerband with more horsepower and more torque!

VAC Motorsports 2.5 Liter S14 Premium Stroker Kit has been tried, tested, and race proven many hundreds of times. Just ask around, our S14 Stroker kit and components are the best!


With years of constant development, tweaks, and configurations to get the most reliable and powerful results, we can offer you the most winning kit available for the legendary S14.
CP Pistons, ARP Hardware, Cometic head gaskets. A list of components shared by the many of the worlds fastest race vehicles. Our kit leaves the standard Evolution III components and all the other kits in the dust.

We have never rested on the development of this engine. If you are like us and look for the best of the best for your S14, this is the 2.5L kit for you.

• Perfectly suitable for the street or for full race use depending on compression ratio chosen.
  Ideal for a comfortable street driven car, or a high-compression race vehicle.
  
  Premium kit is supplied with:
  
  
• BMW OEM Sport Evolution 2.5L Crankshaft
• BMW OEM Bearings (or optional VAC High Performance Race Bearings)
• BMW OEM Crank Bolt, and Washer
• BMW OEM Lower Gasket Set
• CP Pistons Forged Piston set with high quality Rings, Pins, & Locks
• VAC Tech Support
• VAC custom tuned Motronic ECU Software included at no charge (Exclusive to VAC, not that same application that EVERYONE else is selling you. We will program a chip for your needs on request!)
  
  • Premium kit upgrades you to:
    
  • ARP Head Stud Kit
  • ARP Rod Bolt Kit
  • VAC (by Cometic) Multi-Layered Steel Head Gasket (.070 std. thickness)
  
  
  Please call or Email one of our techs if you have any questions, or require a custom kit.
  Remember that piston coatings are always an option on any piston you choose.
  We offer the best high performance aftermarket and genuine BMW parts for the S14 at competitive prices. All rebuild parts are kept in stock.
  We can build your BMW to it's maximum potential. Our customer's results are clear: VAC Motorsports S14 Stroker Kit is the best.

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