Manley Subaru WRX/STI 16pc Valve Springs (1.050/.755) (for use with 23180-16 Retainers) 1990-plymouth-laser-esi4721867 Supertech Honda LS / H23

Supertech Honda LS / H23 Series Manganese Bronze Intake Valve Guide 6

The rail is designed to clear the intercooler mounting boss on Exige-S and 2-Eleven models as best as possible without sacrificing fuel flow — minor grinding may still be required in some cases

Direct stock replacement fitment

A large diameter 4-inch carbon inlet pipe ensures unrestricted airflow into the turbocharger

Manley Subaru WRX/STI 16pc Valve Springs (1.050/.755) (for use with 23180-16 Retainers) 1990-plymouth-laser-esi4721867 Supertech Honda LS / H23Engineered for todays high revving sport compact engines, Manley valve springs deliver exceptional durability, precise control, and consistent performance. Manufactured from premium alloys and designed for demanding turbocharged and naturally aspirated applications, they ensure reliable valvetrain stability at elevated RPM and boost levels. This Part Fits: Year Make Model Submodel 2005 2006 Saab 9 2X Aero 2002 2012 Subaru Impreza WRX 2006 2007,2010