Block Sealer

_MG_6822

Block Sealer

Exclusive formula for ALL cars

  • Heavy Duty Cooling System Block Sealer is excellent for high temperature pressure
  • Stops existing leaks
  • Stops future leaks
  • Rust inhibitor
  • Non-clogging
  • Permanent

Block Sealer seals leaks instantly in ALL cooling systems. Especially designed for today’s higher pressure systems.  Safe for aluminum and plastic units.