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CP-Carrillo pistons are the best choice for any S14 2
critical for engines with extreme demands
Recommended backspacing is ~135mm (7“ ET45
The advanced thermal-resistant coating makes them ideal for forced induction and racing applications
11 37 7 599 021
Genuine BMW Front Main Seal, BMW S58 RK.S55.CRANKHUB CP-Carrillo pistons are the bestThe front main seal, also known as the front crankshaft seal, plays a critical role in the proper functioning of an engine. BMW Part Number: 11 11 8 664 905 Purpose 1. Prevents Oil Leaks: The primary function of the front main seal is to prevent engine oil from leaking out of the front end of the crankshaft. It seals the gap between the crankshaft and the timing cover or the engine block, ensuring that the oil stays within the engine. 2. Maintains Oil
