Harbor Freight Predator 212 cc 301 cc 420 cc Racing Spark Plug MAX POWER Plug

Description

Autolite Spark plugs - AR3910X
This is the spark plug you want for high performance Gasoline or Methanol. In the past, these have seen as much as 3/4 HP gain simply by changing to this plug. As one of the BEST SPARK PLUGS you put for the Honda Clone or the Animal, thsi plug provides better performance than the stock plug that comes with a clone engine. Unique electrode design makes this one long lasting high performance plug. One of the best bang for the buck mod.
Works great for 212cc, Predator 301cc, Predator 420cc, Honda Clone 196cc, GX160, and GX200
May work well with any other applications that take AR3910X plug.
14mm Thread
.750" reach
Gasket seat
Non-Resistor
Longer than the standard AR3910 for more compression in a spec head class