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This ECU is designed for the EVO 9 4G63 engine
High quality multilayer steel gasket
EJ20t (Bugeye Versions)
Fits Nissan Skyline GT-R RB25dett
GKTECH SR20 COOLANT NECK SPACER Tip This ECU is designed forListing is for: 1x Coolant neck spacer Want to install an aftermarket coolant temp sensor but don't want to cut into your radiator hose? Me either! Instead of doing that simply unbolt your factory coolant neck and install this spacer in between the neck and the head. The spacer has the provision for a 1 8 NPT provision or alternatively if used in conjunction with a barbed fitting this spacer could be used as the source for a coolant breather tank.
