Hedman Hedders 66104 HTC Hedders Exhaust Header Features: Thermal Protection Up To 1300 Deg. Will Not Chip Or Peel More Durable Than Chrome Will Not Blue Or Discolor Easy To Clean Better Heat Insulation Guaranteed Against External Rust-Through Best High Temp Coating On The Market Today Height: 8.25 Width: 16.50 Length: 39.00 Weight: 26.00 lbs Vehicle Type: 2694 Fitment: 1981/Chevrolet/Camaro/Z28 Coupe 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::Will Fit With Angle Plug Heads/Chevy Aluminum Only~ Square Port Hedder~ Not Legal For Sale Or Use In California On Pollution Controlled Vehicles~ Modification To Stock Exhaust Required To Retain Catalytic Converter~ Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway~ Not Legal For Sale Or Use On Pollution Controlled Motor Vehicles~ Large Piston AC Compressors Re...