-2psi spring for supercharged applications
The use of 6061 aluminum allows the housing to be anodized with a selection of colors
this upgrade maximizes torque handling and ensures extreme durability under intense conditions
- 5150 AutoSport 4340 Billet Steel Crankshaft
any order undergoes an exacting Quality Control Test
5150 AutoSport Head Gasket & Head Stud Kit, BMW M40/M42/M43/M44 Head Stud Kit:ARP2000 -2psi spring for supercharged applicationsMLS Head Gasket: This Cometic MLS Head Gasket is specifically engineered to replace BMW part # 11121721546, 11121721547, 11121721550, 11121721551 for the M40B16, M40B18, M42 B18, or M44 B19 engine. Multi Layer Steel also known as "MLS" head gaskets are preferred as an aftermarket alternative for high performance BMW engines, including supercharged and turbocharged models, as they offer better performance than factory gaskets. The M40 and M42 factory