Engines and Components› Camshafts and Valvetrain
Supertech
Dual Valve Spring Kit
SKU: SPRK-TC25D/VR6
Advanced — 4+ hours
Description
The kit features specific seat pressure, open pressure, and rate specifications, with a seat pressure of 80 lbs @ 36.00mm and an open pressure of 205 lbs @ 10mm. The spring rate is 12.6 lbs/mm.
Fitment
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Available on iOS & Android
Specifications
| Brand | Supertech |
| Part Number | SPRK-TC25D/VR6 |
| Category | Engines and Components |
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.
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