SP63 Duratec / MZR 2.5L

SP63 2.5L Custom H-Tuff Rod Set of 4 | Mazda & Ecoboost SP63's very own H-Tuff Rod set! Manufactured from 4340 forgings. 22.5mm Wrist Pin (You can email us if you would like this changed) Custom rod length & comp height that...

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 have the solution for you! Price includes custom L.A...

  ____________________________________________________________________________ SP63 Stage 1 2.5L Built Long Block Are you looking for a reliable 500whp build, but don’t have access to E85? Well, we have the solution for you! Our...

SP63 Stage 1 2.5L Short Block The rod/stroke ratio affects several engine dynamics, including piston speed and acceleration, piston dwell at top dead center and bottom dead center, piston side loads, cylinder loading and bearing loads. Many of...