Permatex Right Stuff Powerbead Gasket Maker - 7.5oz

Permatex Right Stuff Powerbead gasket maker is a sensor-safe, room-temperature-curing sealant designed for V-twin engine gaskets and sealing surfaces. The elastomeric rubber formula resists blowout under vibration and thermal cycling, outperforming traditional pre-cut gaskets across a wide temperature range.

Features

• Elastomeric rubber gasket technology resists blowout
• Handles vibration and thermal expansion without leaking
• Sensor-safe formula won't foul O2 sensors
• Temperature rated -75°F to 450°F continuous, 500°F intermittent
• 7.5 oz tube

Specifications

• Brand: Permatex
• Manufacturer Part #: 85224
• UPC: 686226852243
• Size: 7.5 oz tube
• Weight: 0.68 lbs

Fitment

Fits V-twin motorcycles including Harley-Davidson and Indian Motorcycle engines.

Frequently Asked Questions

Is this sensor-safe for modern bikes?

Yes — Permatex Right Stuff is formulated to not foul oxygen sensors on fuel-injected V-twins.

How much heat can this handle?

Rated to 450°F continuous and 500°F intermittent, suitable for engine gasket sealing on stock and performance builds.

Does this replace pre-cut gaskets completely?

It can be used alone or to enhance a pre-cut gasket. The elastomeric rubber outperforms pre-cut gaskets alone under vibration and thermal cycling.

Do I need to cure this before running the engine?

Follow Permatex's cure times — typically allow 24 hours for full strength before operating the engine.