Proper installation is essential—each piston is etched with an orientation arrow on the dome

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Mishimoto Lifetime Warranty: Guaranteed performance and longevity

This kit includes N54 specific billet 10AN adapter fittings eliminating the need to modify the OEM vent tubing

Performance Head Gasket & Head Stud Kit for BMW N54 Engines

S14 EVO3 Billet Crankshaft by 5150 AutoSport F35 Proper installation is essential—each pistonDue to the challenges in sourcing the S14B25 Evo3 2. 5L crankshaft from BMW, we have decided to offer a 4340 billet steel crankshaft at a comparable or lower price than BMW. The dimensions are identical to the BMW Evo3 specifications, allowing you to use factory main and rod bearings, factory pistons, and factory connecting rods. This will be a great upgrade for the S14B20 and S14B23 engine. NEW 5150 Billet Stroker crankshaft for the BMW S14 cylinder