Exterior Components› Body Panels and Components
Goodmark/ProEFX
FIREWALL INSULATION RETAINER; PLAST
SKU: G00Z GMKHWB2405
Beginner — under 30 min
Description
These fasteners are designed for firewall insulation and are compatible with a variety of GM vehicles from the 1960s through the early 1980s. They serve as a replacement for original equipment retainers.
Fitment
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Specifications
| Brand | Goodmark/ProEFX |
| Part Number | G00Z GMKHWB2405 |
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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