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Spark Plug - Genuine ACDelco

Manufacturer: ACDelco

SKU: R42TS

Price: ~~$1.99~~ $1.49
You Save: $0.50

Brand-new genuine ACDelco R42TS spark plug. This spark plug is two heat ranges colder than the R44TS factory installed spark plugs.

This plug is designed to dissipate heat much faster than a stock plug in order reduce the center electrode temperature to eliminate detonation on heavily modified engines applications running under extreme boost and RPM levels.

This genuine ACDelco part will ship in its original box as pictured.

Recommended gap = 0.035"

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