Engines and Components› Camshafts and Valvetrain
Supertech
Supertech Subaru EJ25 Non Turbo SOHC Inconel Exhaust Valve - +1mm Oversize - Single Head Dia
SKU: S00P SEVI-1026
Advanced — 4+ hours
Description
This one-piece forged valve features a single groove, a back-cut angle, and an undercut stem. It is hardened to a minimum of 52 HRC and has a magnetic friction-welded wafer. The valve stem is finished with Superfinish for reduced surface roughness. The head diameter is 33mm (+1.5mm), with a stem diameter of 5.96mm and a length of 121.70mm.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Supertech |
| Part Number | S00P SEVI-1026 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy