About the product
- TriboDyn TRI-EX 5W-40 Full Synthetic HD MMeets or Exceeds API: CK-4, also Backward Compatible CJ-4 & Older
- Meets or Exceeds Next Generation OEM Specifications
- Exclusive Formula Improves Metal Surfaces Inside Engines
- Engineered for Todays High Output Turbo Diesel Engines
- Includes Enhanced Rust Protection
- Excellent Flow at Extreme Hot and Cold Temperatures
- Excellent Long-Term Protection Against Blow By
- Performs Under Extreme Heat and Stress
- Racing Level Performance in a Street Oil
- Developed and Made In The USA
