Exterior Components› Body Panels and Components
Goodmark/ProEFX
QUARTER PANEL SKIN; 90% WITH DOOR J
SKU: G00Z GMK4320603671R
Easy — 1–2 hours
Description
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
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 | Goodmark/ProEFX |
| Part Number | G00Z GMK4320603671R |
Videos
Get The Perfect Fit!: Tips For Installing Aftermarket Panels
1/4 glass install 1968 Firebird
Quarter panel fitment 1968 Firebird convertible
1968 Firebird Restoration quarter panel replacement
Firebird Ep 18 Quarter panel installation
1968 Firebird quarter panel replacement, making it fit correctly
I Want An Aftermarket Quarter Panel - Which One Should I Buy?
How To Fit and Install A 1967-1969 Camaro Roof Skin.
Restoring your dream car? best replacement panel brand?
Episode 41 Part 1 of 3 How to install a Quarter panel skin 69 Camaro Autorestomod.flv
Restore Your Ride, Restore Your Passion - Goodmark (Ext)
We’re here — turning wrenches, just like you.
Call us, follow along, or come say hi.
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.
View Full Return Policy