STM Head Port Block Off Plate for Evo X 4B11 S90 All rings are all included

All rings are all included as a complete replacement set for 6 JE pistons

(1) 4140 Forged Steel Flywheel

This forced performance turbo is available internally gated but if you have an O2 housing setup for an external gate

high shaft speed and maximum thrust load are the norm

STM Head Port Block Off Plate for Evo X 4B11 S90 All rings are all includedSTM Evo X head port head block off plates are designed to completely seal off your intake or exhaust ports while you have the manifolds off. Whether you're building your motor or swapping out parts, this will keep dust and debris (not to mention creatures) out of the ports and also makes your fresh build much more photogenic compared to bunched up paper towels when it comes time to show it off! Also great for shipping engines. Vehicle Fitment: 2008