8 Pack ACDelco Platinum Spark Plugs 1968 for Cadillac Deville 7.7L ps

The GM ACDelco RAPIDFIRE #4 Platinum Spark Plug is engineered for enhanced ignition performance, improved fuel efficiency, and long-lasting durability in GM engines. Featuring a platinum center electrode, it provides consistent spark, superior wear resistance, and better combustion. This spark plug ensures reliable starts, smoother engine operation, and increased engine longevity, making it ideal for high-performance and modern GM engines.

Features & Benefits:

🔧 Platinum center electrode extends plug life and provides consistent spark

🔧 Suppressor seal reduces EMI and RFI interference for stable ignition

🔧 Improves fuel economy and smooth engine power delivery

🔧 Pre-gapped design for quick and easy installation

Specifications:

Brand & Part Number: ACDelco RAPIDFIRE #4

Material: Platinum Tip, Copper Core

Thread Size: 14mm

Reach: 0.75 in. (19mm)

Gap: Pre-gapped (~0.040 in.)

Optimize engine performance with ACDelco RAPIDFIRE #4 Platinum spark plugs!

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