ACDelco CR42TS Spark Plug is designed as an application-specific service replacement that supports proper fit, function, and system integration. Delivers the ignition spark required to initiate combustion in the engine cylinder. Verify vehicle fitment and system configuration before installation.

ACDelco CR42TS Features:

• Application-specific heat range, reach, and terminal configuration should be matched to the specified vehicle application
• Application-specific replacement spark plug for compatible engines

ACDelco CR42TS Fitment:

• 1969-1970 Ford Mustang & Mercury Cougar
• 1991 GMC Syclone
• 1992-1993 Chevy Blazer & GMC Jimmy/Typhoon & Oldsmobile Bravada

ACDelco CR42TS Notes:

• Verify vehicle application, position, and system configuration before installation.