this BMW S52 piston set features:

Can withstand up to 8500 rpm

Known for their unparalleled quality

0 Gear Pump fuel systems

Designed for BMW B58 Engine: Tailored specifically for BMW and Toyota B58 engines

BMW S14 Valve Springs by SuperTech Seat Pressure:92 lbs this BMW S52 piston setEnhance your BMW's performance with Supertech high performance valve spring kits, meticulously engineered for BMW S14B20, S14B23, S14B25, and S14B27 engines. Designed specifically for the demands of high performance applications, these valve springs deliver unmatched valve control and reliability, essential for any serious engine build. Each kit includes high quality valve springs and all necessary components for seamless installation. Crafted from