Phalanx Performance

Phalanx Performance

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Photos from Phalanx Performance's post 06/15/2026

Solid 513rwhp..Fuel pressure issues resolved, installed a 465lph fuel pump. Finally we can get a decent safe tune in on Zac Se7enS beast FD. 93 octane with a sprinkle 🀌 of AEM Electronics water/meth injection, Haltech , 21-22 psi on the turbo. Engine we built/ ported around 5 years ago here at Phalanx still strong as can be! Now to address the brakes πŸ˜…. Thanks Zak for pretty much giving us free reign to do what we wanted on his awesome FD. 🀝

06/09/2026

Can someone help Mr.Rad to upgrade that overflow? πŸ˜‰ This rx8 is too nice! And makes some smooth rotary powerπŸ’ͺ

My "600HP" RX7 Engine Swapped RX8 BLEW US AWAY ON THE DYNO 06/09/2026

Mr. RADS Rx8 here at Phalanx for some 20+ psi pulls. Check it out!

My "600HP" RX7 Engine Swapped RX8 BLEW US AWAY ON THE DYNO How To Support the Channel -Buy Parts, Tools, and Merch!https://r...

06/05/2026

Buzz is ripping good boys! Had a special visit once again from Mr. RAD and his turbo Rx8s 😎 I won't spoil the hp numbers before he gets the videos out, but we had a great time as usual!

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1565 Cornerstone Drive Suite# 104
St. Charles, MO
63304

Opening Hours

Monday 10am - 6pm
Tuesday 10am - 6pm
Wednesday 10am - 6pm
Thursday 10am - 6pm
Friday 10am - 6pm