Jul 18,
2025
When restoring a Buick Grand National, one of the most impactful yet often overlooked upgrades is replacing the plastic bumper filler panels. Over time, these fillers become cracked, warped, or completely disintegrated due to age, heat exposure, and general wear. At Kirban Performance, we’ve spent decades helping G-body owners bring their vehicles back to showroom condition, starting with essential exterior components like bumper fillers and extending to key parts of car interior restoration.
