Direct replacement for the OEM plastic fuel rail, 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 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 27400019 (will not fit 23-up models with 27400071 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