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HKS Super fire racing plug M Series

For 86, BRZ, GT-R

Home  /  Car Parts & Accessories  /  HKS  /  HKS Super fire racing plug M Series
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HKS Super fire racing plug M Series

JPY15,675 JPY13,955

Product code: See the product code table.
Price for a set of 4 plugs. Please specify the product code when placing the order.

Please select per-product shipping when placing the order. This can be shipped via economy air shipping to most parts of Asia, the US, and Europe. However, the territories cannot be covered with this shipping, we may request an additional shipping charge after the buyer place the order.
Click here for other HKS accessories for GR Yaris

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Categories: Car Parts & Accessories, HKS Tags: HKS Accessories, Nissan GT-R, Spark Plugs, Subaru BRZ, Toyota 86
  • Description
  • Reviews (0)

Description

Ultimate spark plug “M”.

Ignitionability, durability, and anti-insulation are all reinforced. HKS has made the best plug for both tuning engines and stock engines.

Features

  • 0.6mm Iridium Alloy Center Electrode
    Iridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.
  • Outer Electrode with Platinum Chip
    The outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance.
    The outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.
  • Short Type Outer Electrode (Anti-Vibration)
    The outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves the longevity of the outer electrode.
  • Thermal Edge
    After long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.
  • Spark Support Gap
    Discharge occurs in the spark support gap (space between the tip of the insulator and the base of the outer electrode) to help prevent carbon buildup.

Performance and Efficiency

  • Increased Ignition Performance
    Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure.
  • Improved Durability
    New material and design improve durability which allows for use under hard combustion conditions like continuous high load during circuit driving or aggressive tuning.
    * Improper combustion condition and wrong heat range selection may cause damage to the spark plug.
  • Decreased Carbon Deposits
    Thermal edge and spark support gap help prevent carbon buildup for better ignition under various combustion conditions.

Special Design RE-type for Rotary Engines

 Rotary engines reciprocating design have a different mechanism and combustion condition. RE-type spark plugs are specially designed to meet the different requirements for rotary engines. The straight shape platinum outer electrode enables reliable ignition performance.

Heat Range Conversion Chart

HKS 25 30 35 40 45 50 52.5 55
DENSO 16 20 22 24 27 31 32 34
NGK 5 6 7 8 9 10 10.5 11

* Above information is the reference for heat resistance.

 

HKS SUPER FIRE RACING (M SERIES)

Spark Plug Type Thread Size Wrench Size Heat Range Product Code No.
JIS Type φ14×19mm 16mm NGK #7 SUPER FIRE RACING M35 50003-M35
JIS Type φ14×19mm 16mm NGK #8 SUPER FIRE RACING M40 50003-M40
JIS Type φ14×19mm 16mm NGK #9 SUPER FIRE RACING M45 50003-M45
ISO Type φ14×19mm 16mm NGK #7 SUPER FIRE RACING M35i 50003-M35i
ISO Type φ14×19mm 16mm NGK #8 SUPER FIRE RACING M40i 50003-M40i
ISO Type φ14×19mm 16mm NGK #9 SUPER FIRE RACING M45i 50003-M45i
G Type φ14×19mm 20.8mm NGK #7 SUPER FIRE RACING M35G 50003-M35G
G Type φ14×19mm 20.8mm NGK #8 SUPER FIRE RACING M40G 50003-M40G
G Type φ14×19mm 20.8mm NGK #9 SUPER FIRE RACING M45G 50003-M45G
X Type φ12×19mm 16mm NGK #8 SUPER FIRE RACING M40X 50003-M40X
XL Type φ12×26.5mm 16mm NGK #8 SUPER FIRE RACING M40XL 50003-M40XL
XL Type φ12×26.5mm 16mm NGK #9 SUPER FIRE RACING M45XL 50003-M45XL
LONG REACH Type φ14×26.5mm 16mm NGK #7 SUPER FIRE RACING M35iL 50003-M35iL
LONG REACH Type φ14×26.5mm 16mm NGK #8 SUPER FIRE RACING M40iL 50003-M40iL
LONG REACH Type φ14×26.5mm 16mm NGK #9 SUPER FIRE RACING M45iL 50003-M45iL
HL Type φ12×26.5mm 14mm NGK #8 SUPER FIRE RACING M40HL 50003-M40HL
HL Type φ12×26.5mm 14mm NGK #9 SUPER FIRE RACING M45HL 50003-M45HL
HL Type φ12×26.5mm 14mm NGK #10 SUPER FIRE RACING M50HL 50003-M50HL
CONICAL SEAT LONG REACH Type φ14×25mm 16mm NGK #7 SUPER FIRE RACING M35LF 50003-M35LF
CONICAL SEAT LONG REACH Type φ14×25mm 16mm NGK #8 SUPER FIRE RACING M40LF 50003-M40LF
RE Type φ14×21.5mm 20.8mm NGK #9 SUPER FIRE RACING M45RE 50003-M45RE
RE Type φ14×21.5mm 20.8mm NGK #10 SUPER FIRE RACING M50RE 50003-M50RE
RE Type φ14×21.5mm 20.8mm NGK #10.5 SUPER FIRE RACING M525RE 50003-M525RE

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