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your engine will be prepared to reach peak power output—whether on the track
Built for High Performance and Reliability
these shims provide the stability required for track-focused builds
Outlet Diameter: 10mm (3/8")Diameter (upper body) 39mm Diameter (lower body) 50mm
The Pro-Xtreme Pistons are tailored to endure the immense pressures generated by forced induction
Mainline Performance Tuning Package Rod Bearings your engine will be preparedPerformance BMW Tuning by Asaf Mainline Dyno Lebanon Dial in your build with custom BMW tuning by Asaf of Mainline Dyno Lebanon. With years of hands on tuning experience across drift, time attack, rally, and competitive track applications, Asaf offers advanced remote tuning services for BMWs built exclusively for off road and motorsport use. Whether you're running a naturally aspirated engine, forced induction, or a fully reworked powertrain, Asafs
