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

Enhance the ignition system of your 1990 Cadillac Fleetwood with the ACDelco Standard Spark Plugs. Designed for the 4.5L engine, these spark plugs provide reliable ignition, optimal fuel combustion, and long-lasting durability. Engineered to meet OEM specifications, they ensure smoother engine performance, improved fuel efficiency, and reliable starts for your luxury vehicle.

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

🔧 Improved Ignition – Optimizes fuel combustion for better power and engine efficiency

🔧 Direct OEM Fit – Easy installation with no modifications required

🔧 Reliable Performance – Reduces misfires and ensures smooth engine operation

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

✅ Designed for 1990 Cadillac Fleetwood 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 Fleetwood’s ignition system with ACDelco Standard Spark Plugs for superior performance and reliability! 🔧🚗