Supertech valve spring kits feature high-quality springs made from premium materials

Specifically engineered to replace BMW OEM part #11247586491 for the BMW N54B30 engine with a 145 mm length

45mm Intake / 13

Factory OEM & MLS head gaskets are only engineered to handle a limited amount of cylinder pressures before they start to leak

known for their strict quality

CP Forged Piston Set, BMW M30 B35 M54B30 Supertech valve spring kits featureCP Carrillo is one of the most globally respected manufacturers of aftermarket pistons, known for their strict quality, durability, and range of performance applications. CP Pistons are designed to improve engine power and reliability by using high strength, lightweight materials and advanced engineering. Here are some of the features of CP Carrillo pistons: Lightweight design: CP Carrillo pistons are made from high strength, lightweight materials,