Chevs of the 40s » Chevy Parts » Sheet Metal » Firewall » Item #3693009S54 47-54 Chevrolet Truck Firewall - Small Block Or Big Block Chevy. 4" Setback. Item # 3693009S54 47-54 Weighs 1.0000lbs. This custom sheet metal firewall for a 4 inch set-back firewall kits are made of 16 gauge steel. Will ship direct from supplier - Ships within 5-7 business days. Note: Firewall is designed for the most popular engine-transmission conversion which is a Chevy small block or big block and GM turbo-hydro transmission. Any other engine installation (Ford, Mopar, etc.) may require rework of the bell housing area of the firewall. This part fits most 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Trucks; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application. Price: $504.50 Each Qty: Add to Cart This product can expose you to a chemical, which is known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov CA Prop 65 Warning This product can expose you to a chemical, which is known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov Reviews There are no reviews at this time Login to Write A Review Fits Vehicle Models Product Fits Vehicle Models There are no specific vehicles models specified for this part.