Exterior Components› Weatherstripping and Rubber Details
Goodmark/ProEFX
QTR WIN WSTPS
SKU: G00Z GMK4031664661P
Easy — 1–2 hours
Description
Manufactured from EPT rubber, these seals are made to fit the stock location and are sold as a pair to cover both the driver and passenger sides.
These weatherstrips are intended for 1966 and 1967 Chevrolet Chevelle models (including SS and Base submodels, convertible and hardtop body styles) and 1966 and 1967 Chevrolet El Camino models (Base submodel, standard cab pickup body style).
Fitment
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Specifications
| Brand | Goodmark/ProEFX |
| Part Number | G00Z GMK4031664661P |
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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