Mr. Gasket Ultra Seal Intake Gasket Features: Nitrile Rubber and Fiber Will Not Crack Or Split Resists Wicking Withstands 600+ Temps Silicone Bead Around Port Creates Tight Leak proof Seal Height: 22.70 Width: 3.60 Length: 0.50 Weight: 0.31 lbs Fitment: 1991/GMC/V3500/SLE Crew Cab Pickup 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::N/A^^1991/GMC/V3500/Base Crew Cab Pickup 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::N/A^^1991/GMC/V2500 Suburban/Base Sport Utility 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::N/A^^1991/GMC/V1500 Suburban/Base Sport Utility 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::N/A^^1991/GMC/R3500/SLE Crew Cab Pickup 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::N/A^^1991/GMC/R3500/SLE Cab & Chassis 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::N/A^^1991/GMC/...