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Leak Check for Combustion

SKU: U1349

Leak Check for Combustion

  • Spots and locates combustion leaks quickly in cracked or warped heads, leaky gaskets or cracked block. Use leak-check in the radiator opening with engine idling. The blue test liquid will turn into yellow in 60 seconds if there is a combustion leak, no matter how small. Get exact location of leak by disconnecting one spark plug at a time and retest.
  • Completely accurate proof of leak.
  • 250 cc fluid container.
WARNING: California Prop 65 - This product contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. For more information go to

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