NGK Ruthenium HX Spark Plug Set Of 8 – Pre-Gapped At 0.040 For Cadillac, Chevy, GMC V8 Engines

Alright, if you’re looking to tune up your V8-powered GM ride—think Cadillac, Chevy, or GMC—this NGK Ruthenium HX set is exactly what you need.

You’re getting eight plugs, all pre-gapped at 0.040, so you can pretty much install them right out of the box.

NGK doesn’t mess around with quality, and the Ruthenium series is their top-tier stuff, designed for maximum performance and longevity.

The part numbers you’ll want to remember are LTR5AHX and 90220.

These are direct OE replacements, so if your ride calls for LTR5AHX, you’re golden.

Whether you’re doing a routine tune-up or building something with a little more power, these plugs will handle it.

They fire clean, last a long time, and help keep everything running smooth.

Eight plugs, fresh in the pack, ready to go.