VTT Billet B58 Vacuum / Boost Adapter

This adapter adds a real manifold pressure source, for both vacuum and boost, on the B58 without drilling the manifold. It fits inline with the factory manifold fitting and sits under the engine cover on supported cars.

What you get

• 6061-T6 aluminum body, CNC machined and black anodized.
• Two 1/8" NPT auxiliary ports that take straight or 90-degree 1/4" barbed fittings.
• Useful for port injection control, blow-off valve reference, gauges and other accessories that need manifold pressure.
• Three kit choices: Adapter Only, the Basic kit (one barb and one plug), or the Dual Barb kit (two barbed fittings).

Brand: VTT · Part #: VTT-B58-VACUUM

• Ships from the brand or distributor, usually in 3–7 business days.
• Shipping is charged at the carrier's rate, shown at checkout. Orders over 70 lb ship by freight for a flat $99.
• 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.