Coolant Block Off Front [use factory bolt and O-Ring]

The comprehensive solution for replacing factory BMW Rod Bearing shells and rod bolts: the all-inclusive 5150 AutoSport High Performance Rod Being kit provided everything you need to replace connecting rod bearing shells and connecting rod bolts in a single package

ready for installation

making them suitable for high-horsepower scenarios

Improved Materials: Our Upgraded Crank Hub is machined from 4340 Billet Steel to ensure strength and endurance

BMW S85 Valve Springs by SuperTech SCR14811 Coolant Block Off Front [useSuperTechs high performance valve spring kits are precision engineered for BMW S85 engines, delivering superior valve control and reliability under high stress conditions. These kits include all necessary components for installation and are a direct replacement for BMW part numbers 11347837681, 11347835154, and 11347838295. Built to withstand the demands of high lift camshafts in the E60 E61 E63 E64 M5, these valve springs are made from premium