Product Summary

Universal Fit

  • Offers greater wear protection and smoother shifts
  • Engineered to reduce friction, which in turn provides more power
  • Highly recommended for manual transmissions that specify an automatic transmission fluid or other light-viscosity oil
  • It is formulated with Royal Purple’s synthetic, proprietary Synerlecadditive technology, offering improved shift quality over a wide temperature range and reduced gear noise
  • Designed to be fully compatible with all types of friction materials and offers excellent corrosion and oxidation protection without affecting the soft metals commonly found in manual transmission synchronizers
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Key Specs

MFG. Part #6512
BrandRoyal Purple
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Need To Know

Liquid/Compound Return Policy

For health, safety, and product integrity reasons, only unopened, sealed items are eligible for return or credit.

Return Policy

Royal Purple 6512 Details

Royal Purple® Synchromax® is recommended for manual transmissions that specify an automatic transmission fluid or other light-viscosity oil. It is also ideal for transfer cases and 2-cycle motorcycle gearboxes that specify light-viscosity lubricants.

Synchromax is formulated with Royal Purple’s synthetic, proprietary Synerlecadditive technology, offering improved shift quality over a wide temperature range and reduced gear noise.

Synchromax is fully compatible with all types of friction materials and offers excellent corrosion and oxidation protection without affecting the soft metals commonly found in manual transmission synchronizers.

  • 6 Quarts (Case of 6, 1-qt. bottles)
  • 10W
  • Synthetic

PERFORMANCE ADVANTAGES

  • Greater wear protection
  • Smoother shifts
  • Excellent rust / corrosion protection
  • Reduces friction for more power
  • Lowers operating temperatures
  • Can be used as a replacement for Auto-Trak II, VersaTrak® and Synchromesh

Royal Purple 6512 Specifications

KEY SPECS
MFG. Part #6512
BrandRoyal Purple
GENERAL
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Ratings & Reviews

5

3 Reviews

Overall Assessment

Customers express high satisfaction with the product's quality and performance, particularly in enhancing the function of vehicle transmissions - reducing noise and improving shifting. Its versatility is lauded, with successful usage noted in a variety of machines ranging from Dodge Rams and Cummins to John Deere tractors. It's recommended for its noticeable impact, distinguishing our product from competitors.

5

3 reviews

5

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Would buy again

5.0

5 years ago

Speedy

Cocolalla, ID

Verified

I'm happy with my purchase! Used in my 2008 Cummins with a G56 transmission. It's now quieter and it shifts easier.

Would Recommend

Awesome

5.0

6 years ago

Diego Grillo

Farr west

Verified

Thanks you

Would Recommend

I am now using it in everything that rolls on the farm.

5.0

6 years ago

NOOTZ

Molino, Fl.

Verified

I started using it in my 2007 Dodge Ram 3500 with 6 speed manual, after hearing about how it helped with shifting and lowering the noise level in transmission. I could not believe the difference it has made. I have put in John Deere tractors and zero turn mowers, WOW what a difference. Works great in differentials too. Get you some, you wont regret it.

Would Recommend

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