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Permatex  |  SKU: 81878

Permatex Ultra Copper Maximum Temperature RTV Silicone Gasket Maker 85g

$1899
Tax included Shipping calculated at checkout.

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Delivery and Shipping

  • Shipping is a flat rate of $11.95, *however occasionally Heavy or Bulky items, Dangerous Goods or deliveries to regional/remote areas may incur an extra freight charge. Our Customer Service team will be in contact if this does occur.
  • Orders to major capital cities except WA generally arrive within 3 to 5 business days, WA delivery times are normally 5 to 10 business days.
  • For further information please refer our Shipping & Delivery page.

365-Day Warranty

  • AutoMegaStore offers a 365-day warranty - 365 days from date of purchase. We will either credit, replace, or refund your item. The warranty covers all manufacturing faults and defects. 
  • For further information please refer our Warranty page.

Item Returns

  • At AutoMegaStore, we want you to be 100% happy with your purchase. If, for any reason, you are not satisfied, you may return the product to us within 30 days of the date of purchase.
  • Email us with your name, order number, and images of the intended returned product, and our Customer
    Care team will arrange authorisation for the return.
  • For further information please refer our Refunds & Returns page.

OEM specified. For high operating temperatures common in 4-cylinder, turbocharged or high-performance engines. Use for:

  • Automotive: Exhaust manifolds/headers, turbo charger applications, and slip-fit exhaust parts.
  • Motorcycle: Exhaust header flanges, slip fit exhaust pipes, and muffler end caps
  • Marine: Exhaust manifolds/headers, valve covers, oil pans, intake manifold end seals, water pumps, exhaust tubes
The most advanced, high temp RTV silicone gasket available. Sensor-safe, low odour, noncorrosive. Superior adhesion.
Three times more oil resistant than conventional silicones; eight times more flexible than cut gaskets.
Temperature range 54°C to 371°C intermittent; resists auto and shop fluids and vibration.
Directions for use:
For best results, clean and dry all surfaces with a residue-free solvent, such as Permatex
Brake & Parts Cleaner.
Cut nozzle to desired bead size gaskets are best formed using a 1/16³ to 1/4³ bead.
Apply a continuous and even bead of silicone to one surface, surrounding all bolt holes.
Remove excess with knife at once.
Assemble parts immediately.
Do not squeeze out silicone by over tightening bolts.
Re-torque will not be necessary.
Silicone dries in 1 hour, and fully cures in 24 hours, at 70˚F (21˚C) “ 50% relative humidity. Allow more time in cold weather.
Replace cap after use.
Clean hands with dry cloth or Permatex Fast Orange Hand Cleaner.
Clean tools with non-flammable cleaning fluid.

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Flat Rate Shipping*
365-Day Warranty
Easy Returns