Spark Plug for 1975 Chevrolet Impala & More - NGK 7588

NGK 7588 spark plug for the 1975 Chevrolet Impala V8 5.7L, 6.6L or 7.4L and other vehicles fires the spark that ignites the air-fuel mixture in each cylinder. As one of the NGK spark plugs in the Iridium IX line, its tapered cut ground electrode is designed to improve starting, idling and throttle response.

• Fine wire 0.6 millimeter iridium tip center electrode for durability and a consistently stable spark
• Iridium alloy center electrode with six times the density of platinum and a very high melting point
• Tapered cut ground electrode with a reduced quenching design for ignitability, acceleration and fuel efficiency
• Solid copper core, 98% pure copper, for heat dissipation and conductivity across wide heat ranges
• Trivalent metal plating with anti-corrosion and anti-seizing properties for easier installation and removal
• NGK Iridium IX line, recommended for modified or high performance applications

Quick facts

• Part: NGK 7588 spark plug
• Fits: 1975 Chevrolet Impala V8 5.7L, 6.6L or 7.4L and other vehicles
• Condition: New

A worn spark plug can show up as a misfire, hard starting or a rough idle. Before you replace the plugs, rule out the ignition wires, the rest of the ignition system and the fuel supply, since problems there can look the same from the driver's seat.

Fits

As a direct-fit spark plug, it suits the 1975 Chevrolet Malibu V8 5.7L and the 1975 Chevrolet Camaro V8 5.7L, along with many other Chevrolet, GMC, Buick, Oldsmobile and Pontiac models. Engine codes in the fitment are L6-4.1L, L6-4.8L, V8-4.3L, V8-5.7L, V8-6.6L and V8-7.4L. If your car is not named here, you can look up its year and engine on the Buyer's Guide tab.

Specifications

In the box

One spark plug. The V8 engines in the fitment take eight plugs and the L6 engines take six.

Interchange: YR55IX