Stock guide Removal & New Guide Install is included with Price
SHIPPING IS NOT INCLUDED
LOCAL DROP OFF IS AVAILABLE
2-3 Week turnaround time for porting service only
Email us to discuss your build :
Lspecdatsun@gmail.com
Stage 1 vs. Stage 2 — Which Port Job Is Right for Your Build?
Both stages include full CNC intake & exhaust runner porting plus stock guide removal and new guide install. The table below covers the key differences to help you decide before reaching out.
Category
Stage 1
Stage 2
Suitable Application
Street / street-strip builds; daily-driven performance cars that see occasional track days
Dedicated track, time-attack, or high-power street builds where top-end flow is prioritized over idle quality
Cam Range
Works best with mild-to-moderate aftermarket cams (e.g., street-oriented profiles)
Optimized for aggressive cam profiles with higher lift and duration — contact us to confirm cam compatibility
Full valve job, aggressive cam, matched intake manifold, larger throttle body, head stud upgrade
Not sure which stage fits your build?
Slots are filled by quote — email us with your platform (N42, P90, E88, or E31), current cam specs, and build goals and we'll point you in the right direction.
