You may notice BE Bearings have a slight mark on the surface

- 5150 AutoSport Performance Rod Bearing Set

expand the power band

Addressing common valve spring challenges such as binding

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5150 AutoSport Head Gasket & Head Stud Kit, BMW S14 Head Gasket Type - Bore - Thickness:MLS - 95 mm - 0.070" You may notice BE Bearings5150 AutoSport Head Gasket & Head Stud Kit for BMW S14 This kit is designed for BMW S14B20, S14B23, S14B25, and S14B27 engines found in the E30 M3. It includes a high performance head gasket and an ARP head stud kit to ensure superior sealing and reliability under extreme conditions. MLS Head Gasket A direct replacement for BMW part #11121316714, this Cometic MLS (Multi Layer Steel) head gasket is ideal for both OEM rebuilds and performance