Motordyne 5/16" Basic Plenum Spacer (MD - 516"B) 1401 3 2011 Mercury Mariner Hybrid

3 2011 Mercury Mariner Hybrid Engine: 2

Replace original X1 Series regulator internals with the conversion kit of your choice (Part #'s 13013

For vehicles equipped with Secondary Air Injection

The Snow Performance LS3 34mm Fuel Rail Bracket set includes four brackets designed to securely mount 34mm fuel rails compatible with LS3 applications

Motordyne 5/16" Basic Plenum Spacer (MD - 516"B) 1401 3 2011 Mercury Mariner HybridAt the optimum height and yielding the best overall gains, the Motordyne 5 16 plenum spacer outperforms the competition and conveniently keep your engine cover and strut bar in place. This stealth modification adds 11HP 13HP and is the simplest to install. All Motordyne melt proof plenum spacers come with pre attached, high quality gasketFeatures: Gains: 11HP 13HP