4340 forged steel construction for lightweight strength and durability

The two billet aluminum adapter halves are secured together with a stainless steel retainer and bolts that clamp tightly around the pump outlet

Engine oil cooler line

F10 BMW 520i and 528i (RWD and XDrive)

Sportsman compressor cover with a 5

N63 Valve Guides 5467 4340 forged steel construction forOur HD bronze valve guides for the BMW N63 engine are engineered for high performance, high boost applications where OEM materials reach their limits. These replace the factory BMW valve guides in the cylinder head (intake and exhaust guide assemblies). Built to withstand extreme heat, increased valve spring pressures, and sustained high RPM operation, these guides deliver exceptional stability and durability under demanding conditions. Machined from