Moderate — 2–4 hours
Description
This valve spring is specifically used on 572/620 HP crate engines. Each engine requires 16 valve springs, so you will need to order that quantity.
Fitment
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Available on iOS & Android
Specifications
| Brand | GM Performance |
| Part Number | G03V 88963934 |
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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