VTT B58/S58 Head Port Block-Off Kit / Billet Check Valve Kit

VTT B58/S58 Head Port Block-Off Kit or Billet check valve kit VTT B58/S58 Head Port Block-Off / Built Check Valve Kit The VTT B58/S58 Head Port Block-Off / Check Valve Kit is designed to either seal off or convert the factory head ports used by the OEM low-side PCV system. These ports in the cylinder head utilize engine vacuum to evacuate crankcase gases — but in the process, can allow oil to enter the intake manifold, leading to valve carbon buildup and other performance issues over time. The VTT B58/S58 Head Port Block-Off / Check Valve Kit is designed to either seal off or convert the factory head ports used by the OEM low-side PCV system. These ports in the cylinder head utilize engine vacuum to evacuate crankcase gases — but in the process, can allow oil to enter the intake manifold, leading to valve carbon buildup and other performance issues over time.

Brand: VTT · Part #: VTT-OCC-B58-Head-Port-Block-Off-Kit

• Ships from the brand or distributor, usually in 3–7 business days.
• Free US shipping on orders over $250.
• Unused parts can be returned within 30 days. Some items are marked no-refund in their description.

Full details are on our shipping and returns page.