3 of 3 Items
3 of 3 Items
Shatter the restrictive, failure-prone factory butterfly valve bottlenecks on your late-model common-rail engine with high-velocity throttle valve upgrades from VSE Engineering. Factory electronic throttle valves feature narrow internal openings and complex electrical components that generate induction turbulence or fail under continuous high-boost operations. Our custom-engineered throttle body deletes and high-flow throttle valves feature full-bore, CNC-machined internal diameters designed to maximize fresh air delivery directly into your intake manifold. Machined from premium raw structural alloys to strict nuclear-level tolerances, these direct drop-in upgrades sharpen transient throttle response, reduce pumping losses, and drop sustained exhaust gas temperatures (EGTs) on heavy towing grades. Equipped with heavy-duty O-ring sealing grooves, they ensure an airtight seal that supports your custom performance tuning lines seamlessly without throwing sensor codes.