Shopping Cart

Your cart is empty.

Your cart is empty.

NGK (4905) R7438-8 Racing Spark Plug, Pack of 1

4.7 (1) Write Review
Free shipping on orders over $29.99

$46.61

$ 24 .99 $24.99

In Stock

About this item

  • You can depend on NGK for quality and reliability
  • Requires less voltage to ionize the plug gap
  • Fine wire iridium center electrode
  • Platinum tipped ground electrode
  • Allows a stronger spark



Zonghui L.
Reviewed in the United States on November 12, 2017
awesome plugs More stable under boost than the 7437-8 Car is making 663whp and 732wtq on a mustang awd dyno
Recommended Products
NGK BR7EIX Iridium IX Spark Plug (Pack of 2)

$21.74

$ 9 .99 $9.99

4.8
Select Option
NGK (6937) BPR5EY-11 V-Power Spark Plug, Pack of 1

$4.29

$ 1 .99 $1.99

4.6
Select Option
E3 Spark Plugs E3.72 Premium Automotive Spark Plug with DiamondFIRE Technology for Ford Applications, 18mm, 0.430” Reach, Taper Seat, Pack of 1

$6.49

$ 2 .99 $2.99

4.9
Select Option
NGK (4654) R7437-9 Racing Spark Plug, Pack of 1

$47.19

$ 21 .99 $21.99

4.6
Select Option
NGK Spark Plug, NGK BR7ES Solid, ea, 1

$100.98

$ 46 .99 $46.99

4.3
Select Option
NGK Standard Spark Plug - 3430

$4.49

$ 1 .99 $1.99

5.0
Select Option
NGK (4623) Spark Plug - DR5HS, One Size

$4.99

$ 1 .99 $1.99

4.4
Select Option
NGK Iridium IX Spark Plug - 7120

$15.39

$ 7 .99 $7.99

4.3
Select Option