NGK BPR4HS short base spark plug (hot index)

NGK's BPR4HS spark plug is a very solid, original type short-base spark plug. Use it during your break-in and your engine adjustments, very hot, it has the right temperature to make the adjustments and break-in or to run your original engine all the time or even pushed (kite). It is not made for extreme performance. This spark plug has a 5kOhm resistance (to be accompanied by a 5kOhm resistive interference suppressor), supplied with olive, it has a central copper electrode (normal ) with prominent insulation providing better ignition spark.



What does BPR4HS mean:

B = Ø14mm base (to be tightened with 20.8mm key)
P = prominent insulation
R = With 5kOhm resistance
4 = very hot thermal index
H = thread length 12.70mm (short base)
S = Central copper electrode

Installs as standard on:

-Moto 50cc
-Quads
-Handling gear ...