Included Nylon Butt Connectors are UL Approved and gasoline safe

the mount is designed using CAD software

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

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

- ARP Custom Age 625+ Head Stud Kit- Genuine BMW Head Gasket- 5150 Xtreme Duty Cylinder Sleeve Set- CP x 5150 Pro-Xtreme Forged Piston Set    - Heavy Duty Piston Pins    - Optional: Add Skirt Coating or Dome Coating- CP-Carrillo x 5150 Pro-Xtreme Forged Connecting Rod Set- 5150 High Performance Main Bearing Set

BMW S85 Valve Springs by SuperTech SCR14811 Included Nylon Butt Connectors areSuperTechs 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