Easy — 1–2 hours
Description
With a gasket seat, 14mm thread size, and 0.748 in. reach, these plugs are designed for optimal performance. The electrode tip is made of platinum, with a copper core and a single ground strap. They are rated for an expected life of 50,000 miles or better and are gapped to original factory specifications.
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 | GM Performance |
| Part Number | G03V 19308030 |
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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