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  • Part #: BS4417
  • Mfr #: 4417
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1988-1996 Honda Prelude Spark Plug - Bosch - Bosch Platinum+4, OE replacement

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  • Manufacturer Info
  • Related Products
  • Fitment Info
BOSCH PREMIUM CLASS PLATINUM+4 SPARK PLUG

Bosch Premium Class Platinum+4 Spark Plug contains the most platinum in the Bosch Platinum Plug Series and has a unique firing technology that combines the advantages of surface air gap technology and 4 yttrium enhanced ground electrodes.

Specifications:
  • 14 mm thread size
  • 19 mm reach
  • 16 mm hex size
  • 1.6 mm gap
  • Platinum plug
  • Gasket seat style
  • Interference suppression resistor
  • Surface air gap plug
  • Heat fused platinum center electrode
  • 4 ground electrodes
  • Solid terminal nut
  • Heat range 7

Features:
  • Reduces the voltage necessary to jump the gap as well as quenching
  • Provides multiple radial spark paths and surface air gap design that creates optimal exposure of the air/fuel mixture to the enhanced ignition spark
  • Yttrium-enhancement of the ground electrodes further extend plug life
  • Designed to reach self cleaning temperature faster for quicker starts, smoother acceleration, and increased fuel efficiency
  • Series: Bosch Platinum+4
  • Product Fit: OE replacement
  • Quantity Sold: Sold individually
  • Electrode Core Material: Platinum
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 business days
  • Electrode Tip Material: Platinum
  • Gap Size: 1.6 mm
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 12-month or 12,000-mile Bosch limited warranty
  • Fit note: Coupe, FWD, Canada Built Vehicle, From 12/1991, USA Or Canada Built Vehicle
This product fits the following Honda Prelude submodels
  • 1992-1996: S; 4 Cyl 2.2L;
  • 1993-1995: VTEC; 4 Cyl 2.2L;
  • 1990-1990: 2.0 S; 4 Cyl 2.0L; "CARB"
  • 1990-1990: 2.0 Si; 4 Cyl 2.0L; "GAS, FI, Naturally Aspirated"
  • 1990-1990: SR; 4 Cyl 2.0L; "GAS, FI, Naturally Aspirated"
  • 1988-1989: 2.0 S; 4 Cyl 2.0L;
  • 1988-1989: 2.0 Si 4WS; 4 Cyl 2.0L;
  • 1988-1989: 2.0 Si; 4 Cyl 2.0L;