Weiand 8170 Features: High Rise/Dual Plane Design For Maximum Torque Fully CNC Machined For A Perfect Fit Square Bore Carburetor Flange Exhaust Crossover For Improved Street Drivability Permanent Mold Casting Process Lighter/Smoother/Better Looking More Consistent Castings Height: 6.88 Width: 11.50 Length: 23.00 Weight: 16.50 lbs Fitment: 1996/GMC/G3500/Vandura Standard Cargo Van 3-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::N/ A^^1996/GMC/G3500/Vandura Standard Cargo Van 3-Door/5.7L 350Cu. In. V8 CNG OHV Naturally Aspirated::N/ A^^1996/GMC/G3500/Vandura Special Cutaway Van 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::N/ A^^1996/GMC/G3500/Vandura Extended Cargo Van 3-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::N/ A^^1996/GMC/G3500/Vandura Extended Cargo Van 3-Door/5.7L 350Cu. In. V8 CNG OHV Nat...