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Can withstand up to 8500 rpm
Additional layers increase active seal height and can be used to fine-tune compression
With the improved distribution of pressure across main bearing caps comes better
The SuperTech High-Performance Valve Kit for BMW
This ARP head stud Kit is designed for the BMW S14 B20
BMW N55/S55 Valve Springs by SuperTech F22 Can withstand up to 8500Designed specifically for high performance applications, SuperTech's precision engineered valve spring kits for BMW N55 & S55 engines provide the essential components necessary for improving valve control and ensure reliability under demanding conditions. Supertech valve spring kits feature high quality springs made from premium materials, ensuring they withstand the extreme stresses of racing and spirited driving. With superior spring rates compared
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