SPEED PERF6RMANC3

KILLAHBUILT 1000WHP | Ford Ecoboost - Focus ST / Ecoboost Mustang / Focus RS *THIS IS A LIMITED RUN & ONLY AVAILABLE UNTIL MAY 31st, 2025* 50% DEPOSIT CAN BE ACCEPTED TO START THE...

SP63 1/2" L19 Head Stud Kit ___________________________________________________________________________ Introducing our SP63 1/2" Head Stud Kit: The Ultimate Choice for Maximum Performance and...

ARP 12mm Custom Age 625+ Head Stud Kit ___________________________________________________________________________ Introducing 12mm Head Studs: The Ultimate Choice for Maximum...

SP63 2.4L Custom Pistons & Rods Kit | Mazda & Ecoboost To build an engine that excels the most power and is reliable, you start to wonder what can be innovated and modified to achieve...

SP63 2.4L Custom 88mm Piston Kit | Mazda & Ecoboost To build an engine that excels the most power and is reliable, you start to wonder what can be innovated and modified to achieve your...

SP63 MZR-DISI/Ecoboost Custom L.A Sleeves   Burned through your cylinder walls beyond repair? Looking to make some decent power, but are limited to the stock sleeves? Well, do we...

Cylinder Head O-Ring Service Any Idea what's an O-ring Service? If not rest assured you will after this quick read! A head that is O-ringed simply means a groove is cut onto the head all the...

Underdog Ford Ecoboost Twin Scroll Cylinder Head Any Idea what's an O-ring Service? If not rest assured you will after this quick read! A head that is O-ringed simply means a groove is...

Big Dog Ford Ecoboost Twin Scroll Cylinder Head Any Idea what's an O-ring Service? If not rest assured you will after this quick read! A head that is O-ringed simply means a groove is...

SP63 2.5L Kit | Ecoboost 2.0L/2.3L & MZR-DISI The rod/stroke ratio affects several engine dynamics, including piston speed and acceleration, piston dwell at top dead center and bottom dead...

____________________________________________________________________________ ENGINE BUILD KIT FOR FORD ECOBOOST 2.3L  SPEED PERF6RMANC3 now offers an engine re-build kit for the Ford...

  **CONTACT US FOR ETA**____________________________________________________________________________   SP63 Stage 2 Built Long Block If you’re looking to own a...

**CALL FOR ETA**____________________________________________________________________________ SP63 Stage 1 Built Long Block A Stage 1 engine package will be perfect for those who are...

Evolution of the Head Stud Introducing the Custom Age 625+ head studs from SPEED PERF6RMANC3. These studs have an even higher UTS (closer to the 280 ksi limit of the material) than our...

Everyone knows that cutting and splicing wires is not for the faint of heart and if you don't get it right you can end up with disastrous consequences. Now you don't have to cut and splice...