Front & Rear Water Neck Bundle for H22/H23A/F20B VTEC Celica 5/8" bore ID for maximum

5/8" bore ID for maximum fuel flow

Outlet Fitting: M12x1

Subaru WRX / STi 2008-2021

Our Three- and Four-Channel versions can be used as a replacement for a stock coil driver or when converting to coil-on-plug in engines that do not need the extra spark energy from a CDI

A 103/92mm turbine wheel drives this rotor assembly

Front & Rear Water Neck Bundle for H22/H23A/F20B VTEC Celica 5/8" bore ID for maximumSAVE WITH OUR WATER NECK BUNDLE! H22 F20B H23 VTEC Billet Front and Rear Water Neck Bundle includes the following items: Swivel front water neck with 16 AN fitting Billet rear water neck with 16 AN fitting OR Swivel front water neck with 1. 25" hose barb Billet rear water neck with 1. 25" hose barb