Proprietary new tooling reproduction. Accurately stamped from OE gauge steel. Includes installed correct reproduction heater tube cover plate, seal and special hardware. Firewall block-off seal included. Gloss black painted. Upgrade firewall seal to R-322 Correct dense form fitting molded reproduction as original.Seals heater opening to firewall. Guaranteed to work better than flat foam seal. GM Group #: 8.845 GM Part #: 3906094
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Classic Headquarters Big Block Heater Box Cover Assembly with Seal W-961: