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Old 07-20-2015, 07:25 PM
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Re: Hemi spark plug change interval?

Quote:
Originally Posted by Raptor View Post
Yes that's a "new" Mopar Iridium 100K mile plug for 5.7 L Hemi's.

Mopar # SP-143877AA MSRP $17.25 (Local Mopar Dealer)
NGK # 1LZFR5E-11

It was developed by Mopar to be used in their "Police Package" 5.7L hemi engines. It's a Iridium plug made by NGK good for a 100K mile service life, made specifically for Mopars 5.7L Hemi engine. This is the new 100K mile sparkplug Jeep is using in all 2014 WK2 5.7L hemi engines and it can be used in earlier 2011~2013 WK2's.

http://www.ramforumz.com/archive/index.php/t-97496.html

Just searched Amazon and it looks like they have the new NGK 1LZFR5E-11 for $4.21 each. Could that be right?


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