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Vehicle Info NeededDETROIT SPEEDPART NUMBER: 320-010904
Weld-In Firewall Fill Plate
$10995
Ships on 09/09/2026
Lowest Price GuaranteeGM Plates
- Weld-In Firewall Fill Plate
- 1970-1981 GM F-Body
- 18-Guage Steel
- Rolled Edge
Fitment Notes:
Smoothes the passenger side firewall while retaining the stock cowl to firewall seam.
- Detroit Speed Fill Plates are an easy way to fill your firewall when installing aftermarket heater or A/C systems. All panels are stamped from 18-gauge steel in the U.S.A.
Part TypeFirewall Plate
Product LineDetroit Speed Firewall Fill & Delete Plates
BrandDETROIT SPEED
Package Height1.6
Package Width17.25
Package Length32.25
Weight5.15 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number010904DS
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
