Hedman Hedders 69110 Specialty/Engine Swap 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: 30.00 lbs Vehicle Type: 2694 Fitment: 1991/GMC/C2500/Sierra Standard Cab Pickup 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1991/GMC/C2500/Sierra SLX Standard Cab Pickup 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1991/GMC/C2500/Sierra SLX Extended Cab Pickup 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1991/GMC/C2500/Sierra SLX Cab & Chassis 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1991/GMC/C2500/Sierra SLE Standard Cab Pickup 2-Door/7.4L 454Cu. In. V8 GAS ...