Engines and Components› Camshafts and Valvetrain

Supertech

Supertech Nissan RB25DET (w/Hydraulic Lifter) Inconel Exhaust Valve - +1mm OS - Single (D/S Only)

$45.82

SKU: S00P NEVI-1052

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Supertech Inconel Exhaust Valve is a +1mm oversize valve designed for Nissan RB25 engines. Made from an Inconel/Nimonic alloy, these valves offer reduced head temperatures for modern turbo engines. This improved heat resistance enhances material strength and durability, providing tuners with more flexibility in spark timing advances.

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

BrandSupertech
Part NumberS00P NEVI-1052

Videos

SuperTech Valves - Watch This.

SuperTech Valves - Watch This.

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