By switching to a shorter final drive ratio

minimizing warpage

Billet stroker crankshaft for increased displacement and structural integrity

This M20-specific fuel rail comes complete with mounting brackets

Whether you're running high-boost setups or prepping your car for competitive motorsport

BMW S65 Fuel Rail FB25 By switching to a shorterBoost your BMW M3 S65s fueling capabilities with the Nuke Performance Dual Fuel Rail Kit, designed specifically for the high revving 4. 0L V8 found in the 20072013 E9X M3. This updated version of Nukes original S65 fuel rail features oversized internal bores, AN 8 ORB main ports, and AN 6 ORB side ports to support high fuel flow, ethanol compatibility, and modern fueling requirements. Made for Bosch EV14L style injectors, this kit ensures leak free,