Upgrade your BMW S58 engine—found in models like the G80/G82/G83 M3

making it unnecessary to use an 11mm stud or drill and tap your block

Please note that these 135 mm connecting rods are designed to fit M20 135mm Rod engines

designed in collaboration with CP-Carrillo

At the heart of this BMW S54 Stroker Kit is the 5150 AutoSport 4340 Billet Steel Crankshaft

ARP Head Stud Kit, BMW S14 Intake Manifold Upgrade your BMW S58 engine—foundThis ARP head stud Kit is designed for the BMW S14 B20, S14B23, S14B25, S14B27 engines found in the E30 M3. Installing ARP head studs can provide several benefits, including increased clamping force, improved head gasket sealing, and greater overall engine strength. This is especially important in high performance and racing applications where the engine is subjected to increased stress and higher temperatures. Before installing ARP head studs, it is