Hot Shot's Secret HSSTBN32Z TBN Booster Fortified Oil Additive 32 oz.
Hot Shot's Secret HSSTBN32Z TBN Booster Fortified Oil Additive 32 oz.
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Hot Shot's Secret HSSTBN32Z TBN Booster Fortified Oil Additive 32 oz.

Key item features

TBN Booster is the only fortified engine oil stabilizer that increases total base number (TBN) and viscosity by replenishing the detergents and dispersants that are naturally lost over time.
Current price is $34.49
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4.48438732950062 stars out of 5, based on 8889 seller reviews(4.5)
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5 out of 5 stars
stars21 ratings12 reviews
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Showing 1-3 of 12 reviews

Dec 21, 2024
Gary P
5 out of 5 stars review

Seller Verified Purchase

Oil tested over 45k miles, proved this works.

Oil tested at 30k miles at 3.5 TBN. Added this booster and next test(around 45k miles) came back at 10 TBN! (11 is new oil) The test showed oil viscosity was high, so I'll top off with a lower viscosity oil to counter that.

Review from Hot Shot’s Secret
Helpful?52N2AMRIQJMQ143901070
Jan 6, 2023
Charles Coufal
5 out of 5 stars review

A necessity when using the Frantz filtration system, helps the peace of mind when using a 50,000 mile oil change interval. Amazing how much money I've saved using this combination.

Review from Hot Shot’s Secret
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Jan 16, 2020
Eric Wilkes
5 out of 5 stars review

Another amazing product by Hot Shot's Secret! I've always been skeptical of "additives" until I found Hot Shot's Secret. No question the best stuff out there. This is some heavy duty stuff and great piece of mind to know I can restore the additive package and keep the TBN nice and high.

Review from Hot Shot’s Secret
Helpful?52N2AMRIQJMQ143901070