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and #11247589671 for the BMW B46 / B48 engines with a 148 mm length
variable valve timing
The ARP 201-4303 head stud kit is custom-designed for the BMW S54 inline 6-cylinder engine and serves as a replacement for the BMW head bolts 11127831862 commonly found in E46 M3 and E36/7 Z3 M Roadster
Install the Cut Ring gasket on the engine block and ensure that it is properly aligned
Submit your engine to 5150 AutoSport for our S58 Oversized Stud Installation Service
BMW M20 Valves by SuperTech 230iX and #11247589671 for the BMWIntroducing the SuperTech High Performance Valve Kit, crafted specifically for BMW M20 engines, including M20B20, M20B23, M20B25, and M20B27. This valve kit is a top tier upgrade for BMW enthusiasts seeking to enhance their engine's power, efficiency, and durability. Engineered to withstand the high demands of performance applications, SuperTech valves deliver exceptional precision and reliability for BMW's iconic inline six engines. Whether for track
