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Review on Champion RC12LYC 412 Copper Replacement by Viterbo Dashora

Revainrating 5 out of 5

Proper spark plug for Jeep 97 4.0 liter.

Proper spark plug for 1997 Jeep Grand Cherokee 4.0. My Jeep starts easier than the Accel spark plugs I put in after replacing the original champions at 177,000 miles. Champions had to be installed but I bought an Accel tuning kit, wire, connector, rotor and cap. I've noticed that Accel Plugs have a shorter range than champions and don't jump in as easily.

Pros
  • Absolutely amazing!
Cons
  • Quick Start Guide