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Stock BMW N20 valve springs are insufficient for high-lift cams and high RPMs
and their Toyota 4A-G 16V piston set is designed to improve the engine's power
Data logging facility
2013-17 BMW F36 420i / 420ix2013-17 BMW F36 428i / 428ix2013-17 BMW F36 435i / 435ix
known for its exceptional performance
BMW / Toyota B58 Performance Valve Seat Set by 5150 AutoSport 11241310671 Stock BMW N20 valve springsThe 5150 High Performance Valve Seat Kit for BMW and Toyota B58 Engines is an essential upgrade for automotive enthusiasts seeking to enhance their engines performance and reliability. This comprehensive kit includes 12 intake and 12 exhaust valve seats, crafted from premium Beryllium Free Copper alloy, specifically designed to withstand the extreme conditions of high performance B58 applications. Beryllium Free Copper alloy is renowned for its
