20-1990-01

provides smooth engagement for street use and holds 650 lb-ft of torque

Manley Performance H-Beam Connecting Rod Set

The Samsonas 4 / 5 / 6 (+ reverse) full Sequential Gearbox for BMW E82 and E88 models equipped with BMW N54 / N55 Engine

M30 Combustion Chamber Upgrade Service HPRBS-S14 20-1990-015150 AutoSport Combustion Chamber Upgrade Service for BMW M30 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. Our CNC Cylinder Head Combustion Chamber Service is a precision machining process where the combustion chambers of an engine's cylinder head are reshaped and refined using Computer Numerical Control (CNC) technology, optimizing engine performance for street or