Engines and Components› Camshafts and Valvetrain
Supertech
Performance Valve Spring Kit
SKU: ENG 901 105 901 HP PMS
Advanced — 4+ hours
Description
This kit includes 12 high-performance inner and outer valve spring sets, 12 HP 9mm titanium spring retainers, and 12 HP valve spring seats. It is important to note that this set is not compatible with original equipment (O.E.) valve springs or O.E. valve seats.
Fitment
Fitment Guaranteed
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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 | ENG 901 105 901 HP PMS |
| 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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