STM Head Port Block Off Plate for 4G63 DSM/Evo Select::Intake Only Because of the many head

Because of the many head lifting issues on 4G63 blocks running in excess of 35+ PSI

• Choice of Blow Off Valve Flange

40 3794704919SP 14x7

1993-1998 Toyota Supra (Rear)

STM Head Port Block Off Plate for 4G63 DSM/Evo Select::Intake Only Because of the many headSTM DSM Evo 4G63 head port block off plates are designed to completely seal off your intake and or exhaust ports while you have the manifolds off. Buy the set or individually as needed. Whether you're building your motor or swapping out parts, this will keep dust, debris and 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