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BMW Stroker Kits & Crankshafts
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Power, precision, and performance -- that's what a VAC Motorsports stroker crank or stroker kit delivers.
Whether you're chasing displacement gains for your S54, S65, S85, B58, S58 engine, or building an ultra-responsive M20 or S14 track setup, our premium stroker kits and forged cranks are engineered to handle extreme horsepower and RPM.
Every VAC stroker kit is developed in-house and designed for perfect integration with BMW's legendary architecture. Choose from full rotating assemblies, billet crankshafts, and premium internals -- all built to perform at the highest levels of motorsport and street reliability.
Popular Applications:
BMW S14 2.5L / 2.7L, S38 4.1L, S50B32 3.4L, S54 3.5L, S65 4.6L, S85 5.8L, N54/N55/S55 4-Pin Crank Hubs Kits as well.
🔧 Engineered in USA | Proven in Racing | Trusted Worldwide