Direct replacement for the OEM plastic fuel rail; for the GEN2 M8 models with the late oval intake ports; which is prone to fail due to cracking & leaking. This S&S aluminum fuel rail is a direct replacement bolt-on upgrade manufactured from black anodized premium 6061 aluminum. Designed to improve reliability; built to last and the 44% larger fuel capacity/flow does a better job in dampen fuel pulses. This results in smoother engine operation; improved performance and optimized fuel delivery for maximum power output for when push comes to shove. OEM replacement reference 27400071 fuel rail (with not fit models with 27400019 fuel rail). - Direct no hassle bolt-on replacement - Premium 6061 aluminum - Black anodized - No more leaks - Improved reliability - 44% larger capacity for improved fuel damping and flow - Built to last