Overview:FLOWTECH headers are precision engineered and leak tested to get maximum performance and fuel economy from your engine. Each header is formed from specially selected .049 cold roll flash controlled tubing, and features FLOWTECH's exclusive, thick, mandrel-formed Power Plenum collector. All ports are precisely fitted and finished with sturdy, leak-proof O-ringed port seals, and all FLOWTECH headers include all mounting hardware including bolts, nuts and premium gaskets.FLOWTECH headers are available with either a high-quality satin black paint finish or with a specially formulated, NASA-developed silver luster ceramic coating for rust and corrosion resistance.Features: Fuel Economy From The Engine Leak Test For Max Performance Ceramic Headers Rust And Corrosion Resistance Mandrel-Formed Power Plenum Leakproof O-Ringed Port Seals Include All Mounting Hardware Application: 1967-1974 Dodge Coronet 1967-1974 Plymouth Satellite 1968-1974 Dodge Charger 1968-1974 Plymouth Road Runner 1967-1971 Plymouth GTX 1967-1970 Plymouth Belvedere 1970-1971 Dodge Challenger 1970-1971 Plymouth Barracuda 1970-1971 Plymouth Cuda 1967 Plymouth Belvedere II Specs: Brand Flowtech Collector Diameter 3.00 inch Emission Code 4 Engine Chrysler Big Block B/RB Header Finish Silver Ceramic Header Style Long Tube Primary Tube Dia. 1-3/4 inch Product Type Headers Tube Material Mild Steel Warning California Proposition 65