Hedman Hedders 27670 Exhaust Header Gasket Features: Made w/Special Material Developed For Hedman Made To Be Exact Matches For Flanges Insure Proper Fit And Seal Height: 0.250 Width: 4.000 Length: 20.000 Weight: 1.00 lbs Fitment: 2003/Chevrolet/Silverado 1500/WT Standard Cab Pickup 2-Door/4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated^^2003/Chevrolet/Silverado 1500/WT Extended Cab Pickup 4-Door/4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated^^2003/Chevrolet/Silverado 1500/LT Extended Cab Pickup 4-Door/4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated^^2003/Chevrolet/Silverado 1500/LS Standard Cab Pickup 2-Door/4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated^^2003/Chevrolet/Silverado 1500/LS Extended Cab Pickup 4-Door/4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated^^2003/Chevrolet/Silverado 1500/Base Standard Cab Pickup 2-Door/4.3L 262Cu. In. V6 GAS OHV Naturall...