Invest in the Supertech High Performance Valve Kit and experience the difference in power and reliability that comes from choosing a brand synonymous with excellence in the automotive industry

135 mm rod compatibility for S52 engines

allowing for more continuous and reliable engine operation

and 12-point nuts

they feature a 148mm length for a precise fit

BMW S58 Performance Valve Seat Set by 5150 AutoSport U13 Invest in the Supertech HighThe 5150 High Performance Valve Seat Kit for BMW S58 Engines is a crucial upgrade for automotive enthusiasts looking to boost their engines performance and reliability. This comprehensive kit includes 12 intake and 12 exhaust valve seats, meticulously crafted from premium Beryllium Free Copper alloy, specifically designed to endure the extreme conditions of high performance S58 applications. Beryllium Free Copper alloy is renowned for its exceptional