Easy — 1–2 hours
Description
Part #: 5639CPG
COMP Cams Adjustable Valve Spring Tester checks spring pressure on an assembled engines. This billet aluminum tool fits onto your rocker arm for quick pressure checks. It is adjustable for use with almost any rocker length and measures pressures up to 600 pounds.
The tool is made from billet aluminum and fits onto your rocker arm for quick measurements.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
Fitment
Fitment Guaranteed
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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 | COMP Cams |
| Part Number | C007 5639CPG |
Videos
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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