8 Pack ACDelco Standard Spark Plugs 1990 for Cadillac Seville 4.5L ps

Upgrade the ignition system of your 1990 Cadillac Seville with the ACDelco Standard Spark Plugs. Designed specifically for the 4.5L engine, these spark plugs deliver reliable ignition, improved fuel combustion, and long-lasting durability. Engineered to meet OEM specifications, they ensure smooth engine performance, better fuel efficiency, and reliable starts, making them perfect for your luxury vehicle.

🔧 Durable Construction – Built for long-lasting reliability and high performance

🔧 Improved Ignition – Optimizes fuel combustion for better engine performance

🔧 Direct OEM Fit – Simple installation with no modifications required

🔧 Reliable Performance – Reduces misfires and ensures smooth engine operation

🔧 Classic Luxury Fit – Specifically designed for the 1990 Cadillac Seville 4.5L

✅ Designed for 1990 Cadillac Seville 4.5L engines

✅ OEM replacement part for precise fitment and performance

✅ Check owner’s manual for proper fitment

Thread Size: 14 mm

Reach: 26.5 mm (1.04 inches)

Hex Size: 5/8 inch (16 mm)

Seat Type: Gasket

Resistor: Yes

Center Electrode Tip Material: Copper

Ground Electrode Tip Material: Nickel Alloy

Pre-Gap Size: 0.035 inches

Center Electrode Core Material: Copper

Manufacturer Heat Range: 5

Upgrade your 1990 Cadillac Seville’s ignition system with ACDelco Standard Spark Plugs for optimal performance and reliability! 🔧🚗