Spectre Performance Valve Cover Gasket Features: Extra Thick Rubber Steel Core Reinforced Superior Sealing Stops Leaks Exceeds OEM Specifications Height: 0.50 Width: 5.50 Length: 22.75 Weight: 0.60 lbs Fitment: 1988/GMC/G3500/Vandura Standard Cargo Van 3-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::3/16 Inch Thick Rubber^^1988/GMC/G3500/Vandura Special Cutaway Van 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::3/16 Inch Thick Rubber^^1988/GMC/G3500/Vandura Extended Cargo Van 3-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::3/16 Inch Thick Rubber^^1988/GMC/G3500/Rally STX Standard Passenger Van 3-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::3/16 Inch Thick Rubber^^1988/GMC/G3500/Rally STX Extended Passenger Van 3-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::3/16 Inch Thick Rubber^^1988/GMC/G3500/Rally Stan...