J&K 6.3L "PowerStroker'R"

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Call or Email Us Today: (615) 758-7749
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The All-New J&K Engines 6.3L "Powerstroker’R" Engine

A J&K Engines Original!! Check it out in the links below

CALL FOR PRICING: 888-371-7959


We bored and stroked a 6.0L Power Stroke to a 6.3L making it 383 cubic inches. More displacement resulted in dramatic gains in horsepower and torque! The entire rotating assembly has been Blue Printed, Balanced, and Dyno tested with results. We stroked our 2004 F-250 utility truck with no upgrades, just simply a STOCK configuration.


STOCK 6.0L F-250 

270 HP @ 3300 rpm (at the wheels) 

485 ft lbs of torque @ 2000 rpm (at the wheels)

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RESULTS: 6.3L “ Powerstroke’R” 

446 HP @ 3125 rpm (at the wheels)

850 ft lb of torque @ 2670 rpm (at the wheels)


The “6.3 Powerstroke’R” gained 176 horses and 365 ft. lbs of torque! 



These dramatic power gains are based on NO modifications to the stock 2004 F-250. With a 2.5 inch exhaust. Any mods that anyone does to this platform will increase the HP and torque even more. Thanks for watching! LIKE AND SUBSCRIBE


****WE HAVE BUILT A NEW "POWERSTROKER" WITH COMPONENTS SHOWN IN THE YOUTUBE VIDEO AT TOP OF THE SCREEN. DYNO RESULTS SOON TO COME!***


See the Powerstroker’R in Action!
Read the Diesel Power article all about it! (click above)
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