HKS 50003-M35I Spark Plug 7 (ISO) for SUBARU EJ207 / EJ205 / TOYOTA 1JZ / 2JZ / PORSCHE 996T / 997.1 Turbo

HKS M Series Spark Plugs — Iridium High-Performance

The HKS M Series spark plugs are engineered to deliver stable ignition, reduced carbon build-up, and extended service life. Made from premium iridium alloy and featuring a platinum-tipped ground electrode, they ensure consistent performance under high-load conditions.

Main Features:

• 0.6 mm center electrode: reduces voltage requirements and improves ignition reliability and longevity.
• Platinum chip ground electrode: enhances durability and combustion efficiency.
• Short ground electrode: lowers weight, improves vibration resistance, and extends lifespan.
• Special thermal edge: minimizes carbon deposits and improves long-term performance.

Technical Specifications:

• Length: 9 cm
• Width: 3 cm
• Height: 3 cm
• Weight: 0.05 kg
• Plug type: ISO
• Thread size: 14 x 19 mm
• Hex size: 16 mm

Fitment

• SUBARU IMPREZA Saloon (GC) 2.0 WRX STi AWD 1993 - 1994
• SUBARU IMPREZA Saloon (GD) 2.0 WRX STi AWD (GDB) 2001 - 2005
• SUBARU IMPREZA Saloon (GD) 2.0 WRX STi Prodrive Performance Package AWD 2001 - 2002
• SUBARU IMPREZA Saloon (GD) 2.0 WRX STi AWD 2004 - 2005
• SUBARU IMPREZA Estate (GG) 2.0 WRX STi AWD 2000 - 2002
• PORSCHE 911 (997) 3.6 Turbo 2006 - 2009
• TOYOTA SUPRA (_A8_) 3.0 i (JZA80_) 1993 - 2002