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3" Front Drop / 4" Rear Drop
Thread Size & Nut Hex Size
that the hardlines would not be able to
1"-48 Spline x 3/4" DD Welded Coupler Assembly
1964-87 Chevy, GMC Truck Headers, Ceramic Coated Vacuum Pumps and Reservoirs 3" Front Drop / 4"These really are the best headers for your Custom Chevy Truck. The heavy duty design will allow you to feel the extra power gains and will help improve your gas mileage. Along with those savings, you will also add horsepower. Ceramic Coated is an Upgrade over stainless steel headers. Helps last longer, give you lower underhood temperatures while looking great. Fits the following small block engines: 283 400 SB Chevy 2 1 2 Collectors 3 8 Header Flange
