STM Head Port Block Off Plate for Evo X 4B11 Race Ramps 50 For street cars with

50 For street cars with stock or small turbo up to 8000 RPM and 25psi with Kelford recommended valve springs

the Link Pipe Sets are no longer available to purchase

Inconel super-alloy turbine wheel

Made in the USA - Right here in Minnesota

5" Titanium Pipe

STM Head Port Block Off Plate for Evo X 4B11 Race Ramps 50 For street cars withSTM 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