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Review on ๐Ÿ”ง Durable Diesel Fuel Injector Return Line Rail Kit for 2004-2010 Chevy GMC 6.6L LLY LMM LBZ Duramax Engine - High Compatibility Guaranteed by Mark Walsh

Revainrating 1 out of 5

DANGER do not buy! After 100km it starts to leak...

Don't get those fuel return lines, they are not reinforced at all and will snap and fall off! I've driven 600 miles and had to stop 6 times along the way to change fuel lines. Ps, one of the screw connections did not close completely, also my original plastic was reused with a new O-ring. A bad item overall, and if the exhaust gets hot enough and spills fuel, there's a chance your truck will catch fire.

Pros
  • High marks for grip and durability from testers
Cons
  • Definitely a bad product