If you need to replace injectors in your 300ZX, this kit gets you everything commonly needed to do the job right. No need to go hunting for all of the incidental parts and seals! These are the most common, and often required, parts needed to pull the plenum and replace the injectors.

Note: This kit is for EARLY STYLE engines, which means 90-92 NA, 93 Convertible, or 90-94 TT.

• Nissan OEM Upper Plenum Gasket - Needs to be replaced after removing the plenum.
• Nissan OEM EGR to Plenum Gaskets (2x) - Needs to be replaced after removing the plenum.
• CZP Balance Tube O-Rings - Needs to be replaced when removing the balance tube, which is necessary to remove the rear coilpacks in order to pull the plenum.
• CZP Lower Fuel Rail Insulators - Installs between the lower plenum and the rails and while not strictly required for injectors, most people will pull the fuel rail and need to replace these.
• OPTIONAL: Heat Shrink Solder Sleeves (14x) - If replacing connectors, these are the easiest way to make a clean, soldered connection, with shrink wrap and a waterproof seal. 12 needed, we include 2 more in case you mess a couple up.
• OPTIONAL: Coolant Line Bypass Kit - Most people will bypass the throttle body coolant lines and a few of the vacuum tubes attached to the plenum during this job. NA kits include 4x silicone caps to block off the extra ports on the heater pipes, TT Kits will include an assortment of hoses so you can safely re-route the coolant lines to the turbos. More info on the Wiki here.
• OPTIONAL: Valve Cover Gasket set including Ishino Stone Intake Valve Cover Gaskets, CZP Half-Moon Seals, and Permatex RTV. - Another common job to do while you're in there!
• OPTIONAL: CZP Plenum Stud Alignment Kit - It's notoriously difficult to get the plenum gasket to stay in place while trying to balance the plenum above it and get the bolts started. This makes it much easier!

Additionally, if yours are 30 year old original hoses, you may want to replace the IACV Hoses and/or PCV Hoses with our silicone kits. Or if you want the nuclear option, check out our complete CZP Silicone Master Hose Kits!