Interior Side Panel Backer Board 6pc for 1965-1966 Bel Air Biscayne Impala Sedan

B-Pillar Lower Boards for 1965-1966 Chevrolet Impala

B-pillar lower boards provide the foundation for clean, tight interior trim.

• Support proper alignment of pillar upholstery.
• Prevent loose or sagging interior trim.
• Improve long-term durability of interior panels.
• Restore a solid, factory-style interior structure.

Upgrade your 1965-1966 Chevrolet Impala with B-Pillar Lower Boards for durable classic car body panel replacement. Restore your vintage ride today! Shop now.

Specifications:

• Material: Wood/Hardboard
• Vehicle Fitment: Please see compatibility chart or give us a call to confirm
• Vehicle Placement: Left, Right
• Number of Pieces: 6

Q: What are B-pillar lower boards?

These boards form the lower trim structure at the B-pillar, supporting upholstery and trim.

Q: What problems occur when the boards are damaged?

Trim may not sit correctly, leading to loose panels and an uneven interior finish.

Q: Are there other names for B-pillar lower boards?

Parts lists may use several pillar and trim support terms.

• B-pillar trim boards
• Center pillar lower panels
• B-pillar backing boards
• Door pillar lower boards
• Interior pillar supports

Names vary by manufacturer and OEM terminology.

Q: Does replacing these improve fitment?

Yes, solid boards provide proper structure for trim and upholstery.

Q: Are they typically replaced during restoration?

Often yes, especially when original boards are warped or deteriorated.

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