Racing Head Service (RHS) 1601-16 Features: Cast 8650 Chromemoly Steel Body Arched Web-Like Design Increase Strength And Rigidity CAD/FEA Design Black Oxide Exterior Helps Prevent Corrosion Increased Retainer/Spring Clearance Lifetime Guarantee On The Rocker Body Height: 13.00 Width: 4.00 Length: 3.75 Weight: 9.50 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 Naturally Aspirated::N/ A^^1996/GMC/G...