ZRP I-shaft steel connecting rod fits BMW E46 M3 & Z4 M S54B32

Spezial Conrods by ZRP for all BMW S54B32 Engines with 139x21mm conrods as in BMW E46 M3 and Z4 M Coupe. The steel connecting rods you need for performance increases, turbo conversions and high-speed concepts, since the original connecting rods have not been developed for high loads. Durable, the connecting rods are even up to 800 hp with turbo. Features I-shaft connecting rod: high-strength 4340 steel Milled from the solid suitable for extreme performance increases up to 800PS with just under 550g per connecting rod extremely light Magnaflux and FEA inspected 6 pieces per set Dimensions: 139x21mm With ARP 2000 expansion screws The ZRP I-shaft steel connecting rods stand for stability, performance and safety.