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Reviews (5)

05 October 2018
06 WRX STI
Great running, very smooth idle. tuned the car to 400hp with a max duty cycle of 90% on these injectors. Cylinder roughness counts stay zero with an idle all the way down to 500rpm. These are very good quality injectors and at a great price.

28 November 2018
06 STI 500hp
3 of 3 found this helpful I built the engine in my 06 STI about 1000miles ago using this kit Std bore and the oem subaru forged nitrated crankshaft. I used the king racing rod and main bearings. With the 12mm oil pump. This has been holding 510hp dyno proven, daily driven for the last 500 miles without fail at 30lbs boost. just ran a compression and leak down check all cylinders are perfectly even. They seem to be holding better than advertised my air filter ratios at 30lbs boost ride at 11.6 to 12.1 being not a forged piston I don’t run too lean. but they probably have the potential to make more power. Great kit for anyone rebuilding an EJ257 engine.

20 May 2020
Excellent Performance
Great stack for the beginner F405 is simply laid out and all the benefits of an F4 controller,
The F40 ESC has nice large soldering pads runs smooth provides motor timing adjustment. Esc on 4s causes no interference in the cam great product.