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This Supertech High Performance Valve Kit is expertly designed for BMW N55 and S55 engines
- High-Strength Custom Made 2x2 Structural Carbon Fiber Tubing
Oversized Custom Age 625+
F39 X2 sDrive28i
- Safeguard Engine Block Threads: Because ARP Main Studs have unmatched tensile strength
5150 AutoSport High Performance Main Bearing Set, BMW S54 E91 This Supertech High Performance ValveDesigned specifically for high performance engine builds, 5150 High Performance Coated Main Bearing Sets deliver unparalleled durability and efficiency for the BMW S54 engine. Each bearing features shells treated and coated by Calico, significantly reducing friction to enhance engine output and efficiency. Unlike OEM bearings, these Calico coated options provide superior thermal resistance, making them ideal for high horsepower applications, including
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