99-07 Chevy Silverado/GMC Sierra 1500 4.3L
Using cutting-edge technology, Street & Performance Electronics has developed the revolutionary new VMAX manifold spacer product line that delivers dramatic performance from your late model stock engine. The one-inch thick billet aluminum spacer provides up to 31% more air volume under the plenum in late model modular intake manifolds that translates into solid performance gains in horsepower and torque. Dyno tests demonstrate increases of over 21 HP and over 21 ft/lb of torque with VMAX manifold spacers installed. The VMAX manifold spacer kit comes complete with instructions and all the necessary hardware and gaskets. Bolt on your new VMAX and get a new kick out of your stock engine.