Ignition Coil + Spark Plugs for Lexus GS SC (1998-2000) 3.0L

Direct-Fit Ignition Coil and Spark Plug Kit for 1998-2000 Lexus GS,SC 3.0L (JZS160/JZZ31 / 2JZ-GE)

What it Does: The Direct-Fit Ignition Coil and Spark Plug Kit restores secondary ignition energy and engine timing precision on 1998-2000 Lexus GS300 and SC300 models to eliminate misfires, hesitation, and unburned fuel delivery.

The Stock Lexus GS,SC Ignition Breakdown

The naturally aspirated 2JZ-GE VVT-i employs a waste-spark ignition arrangement where three dual-tower coils fire all six cylinders. Over repeated thermal cycles, factory coils (OEM 90919-02216) experience epoxy potting degradation and micro-fractures within the coil bodies. This internal insulation breakdown leads to dielectric punch-through, spark scatter, and severe secondary voltage drop under load. Worn plug electrodes widen spark gaps, forcing aged coils to operate past their saturation threshold, triggering erratic idle, hesitations, and common P0300–P0306 misfire codes.

The Engineering Solution

This comprehensive service kit pairs three high-output waste-spark ignition coils with six precision-gapped spark plugs matched to factory thermal heat ranges. Each ignition coil features reinforced PBT thermoplastic housings and high-temperature epoxy potting to prevent dielectric failure from underhood heat soak. Premium copper windings deliver high-energy secondary arcs directly across the waste-spark paired cylinders, resisting electrical flashover and ensuring complete air-fuel combustion throughout the rev range.

Technical Specifications

Compatibility

• 1998-2000 Lexus GS 3.0L (GS300)
• 1998-2000 Lexus SC 3.0L (SC300)

Frequently Asked Questions

Does this fit the JZS160 and JZZ31 GS,SC?
Yes, this is a direct fit for the 1998-2000 Lexus GS,SC equipped with the 2JZ-GE engine.

Why does this 6-cylinder kit only contain three ignition coils?
The 2JZ-GE VVT-i utilizes a waste-spark ignition design where each dual-output coil fires two paired cylinders simultaneously, requiring only three coils for the entire six-cylinder engine.

The Lexus Straight-Six Standard

The naturally aspirated 2JZ-GE inline-six is celebrated for its factory balance and durability. Restoring factory spark output ensures crisp throttle response, stable cold starts, and reliable high-RPM performance true to JDM platform standards.