650cc - Skyline RB20DET

The flow matched my stock fuel rail without any adapters, and the car idles smoother than with the old injectors. 650cc is perfect for my mild turbo upgrade, and I can actually feel the difference in throttle response.

Dropped these injectors into my RB20DET and the idle smoothed out instantly compared to my old worn ones. The set being flow-matched really made tuning straightforward with no surprises across the cylinders.

Took about an hour to swap them in, and the idle smoothed out noticeably right away on my RB20. The matched set means I didn't have to fiddle with any flow rates, which saved me a headache. Only knock is the plastic caps on the tips feel a bit flimsy, but the injectors themselves have been solid so