Darton Sleeves for 4B11 Evo X

Darton iron MID wet sleeves for the 4B11 Evo X come as a 86mm bore, and can be bored out to 90mm. Includes 4 sleeves with lube and orings as pictured. Vehicle Fitment: 2008-2015 Evolution X 4B11 Features: • Improved block integral strength • Improved cooling • "Wet sleeve" replace-ability • Increased horsepower output potential • Superior oil and compression control • Street or strip application • Kits can be installed by your local machine shop • Full installation manual with every kit sale • High boost and horsepower potential · Superior cylinder sealing and ring wear • Bulletproof Darton ductile iron, 130,000 psi tensile strength