Precision Auto Injectors

Set of 8 Upgrade Rebuilt Bosch 4 Hole 1985 - 1992 TPI 5.7L Tuned Port Injection 350cid

Set of 8 Genuine Bosch 4 hole fuel injectors.  Fully serviced and tested to perform as they would new.  Includes new o-rings, filters, and components installed on fuel injectors.

Our upgrade injectors are specifically chosen by us to provide you with better atomization vs. your stock injectors.  This will in turn allow your vehicle to burn fuel more efficiently.  Improvements will be seen in fuel consumption, low-end torque and smoothness. Injectors are cleaned and tested to perform as they would new.


These injectors also have improved design that does not suffer from electrical failures like the stock injectors do therefore includes a lifetime warranty against failures or defects.