Liquid Copper Block Seal Intake & Radiator Stop Leak

It’s part of life: older cars, trucks, and vans can develop large leaks in their radiators and intake manifolds. If you’ve tried regular stop leak products you know they are not powerful enough to stop these larger leaks. That’s why Rislone designed the Liquid Copper Block Seal Intake & Radiator Stop Leak. This one-step sealer was designed to quickly and safely stop these overwhelming leaks.

What’s it do? Our formula permanently repairs larger leaks in radiators, intake manifolds and gaskets, heater cores, blocks, heads and freeze plugs. It contains an antifreeze-compatible sodium silicate liquid glass formula, so no draining of the cooling system is required. Not to mention, it will not harm the cooling system when used properly.

Their stop leak products can’t get your show…

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Head Gasket Fix

If the words “head gasket leak” give you the shivers, we are right there with you. We know firsthand that fixing a head gasket requires a hefty chunk of money and a few days without your car. But what if we told you you could fix this yourself? Our easy-to-use Rislone Head Gasket Fix will not only save you all those pesos but will get you back on the road in less than an hour. Yes, you read that right.

This product contains a combination of antifreeze-compatible sodium silicate sealing liquid and various size gasket sealing particles which penetrate gaps and cracks and harden to permanently stop leaks. It’s liquid technology.…

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