Denso plugs are a good quality spark plug, and ive never had a problem with them at all, i would use NGK or Denso plugs on my 22RE with out any worries at all.
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86 4Runner
Solid Axle Swap, 5'' Of Lift, 37x12.50-15 MTR Tires, 5 Speed Manual Swap, Inchworm Duel Cases With 5.7 Gears, 63'' Chevy Springs In The Rear, 5''Trail Gear Springs In Front, Marlin Crawler Third Members, 4.88 Gears With A Detroit In The Rear, High Pinion Front With 4.88 Gears and an ARB, Downey Header, Optima Battery, Trail Gear Sliders.
