Bosch Green Giant 42# Injectors (4)


9 reviews

This product is currently out of stock.

Fueling - Bosch Green Giant 42# Injectors (4)
Fueling - Bosch Green Giant 42# Injectors (4)
Fueling - Bosch Green Giant 42# Injectors (4)
Fueling - Bosch Green Giant 42# Injectors (4)

Stock 1.4T injectors are standard length 33# injector with an EV1 plug. This is the most common style of injector. As you add mods to your vehicle, eventually you will need to upgrade the injectors. The stock injectors max around 180WHP and are sufficient for all but the most heavily modified stock turbo setups. How far you can push a stock injector is based on the fuel blend in your state so it can be a good idea to upgrade if you plan on a lot of bolt ons. 

42# Bosch Green Giants will support up to a ZZP V3 on E85.

Be careful where you buy this injector as most of what is sold out there is actually genuine Bosch. The problem here is that only the Bosch injectors work in the sub 2ms pulse rate needed for proper idle and tuning on a small motor. If you have idle issues and run an injector that looks like this, that is often why.  

PCM programming is required whenever your injector size is changed.
These injectors are plug and play and do not require any adaptors or spacers. They are direct replacement.

While popular, we actually recommend our 60# injectors over these due to lower price and future mod potential, however ONLY if you are running full E85. (link) Due to the size of this injector it can cause rich issues at idle.

All ZZP purchased injectors come with dielectric grease and are packaged in a reusable plastic case to store your factory injectors safely.


  • Coil Resistance: 12 Ohms High Impedance 
  • Spray Pattern: Dual Spray Wide Cone / Split Cone
  • Electrical Connector: EV1
  • Fitted with Viton upper and lower o-rings.
  • Static Flow Rate @ 43.5PSI (300kPa): 43 lb/hr

Sold in sets of 4.

Fueling - Bosch Green Giant 42# Injectors (4)
Fueling - Bosch Green Giant 42# Injectors (4)
Fueling - Bosch Green Giant 42# Injectors (4)
Fueling - Bosch Green Giant 42# Injectors (4)
Customer Reviews
4.8 Based on 9 Reviews
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Matthew H.
United States United States
Great add on

Easy install, Jane great quality, slight difference in the vehicle. Must have

A ZZPerformance Customer
Jayme B.
United States United States
Good product, I don’t really notice a difference over stock

I run a pretty aggressive tune and these definitely deliver more fuel as I can see by a lower duty cycle, my stock injectors were almost maxing out. After tuning for these I dont notice much difference. Maybe more needed for a bigger turbo setup or E.

Jaden D.
United States United States
Easy install

With a couple videos of watching people install these injectors it was a breeze, they work great with my tune couldn’t be any more happy with the product.

Mark I.

Are what they claim to be and work excellent

Garrett R.
Happy Buyer!

Purchased these green injectors along with the EV1 style harness for my 07 Cobalt Supercharged and was satisfied with the purchase. I installed them myself in the garage and it went very well. Instructions i found on a forum had all the steps explaining how to replace the injectors, and it made the job way easier! Not a negative to ZZP or the parts but as a Canadian purchaser, the dollar difference, shipping, and international customs drove the price up quite a bit. However, I was happily surprised that the parts arrived about 3 days earlier than expected. 5 stars for the injectors 5 stars for ZZP