Offshoreonly.com - 502 spark plugs

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

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- - 502 spark plugs (https://www.offshoreonly.com/forums/general-q/196884-502-spark-plugs.html)

ezstriper

10-08-2008 07:22 AM

502 spark plugs

what ac # plugs for a 502 HO carbed merc ? thanks Rob

ThruHull

10-08-2008 07:53 AM

R43ts

26sxl

10-08-2008 11:46 AM

mr43t

Griff

10-08-2008 05:14 PM

Either of the above will work well. They are both AC plugs. The R43TS is an automotive version with an extended tip. It will burn a little cleaner. Th MR43T is the stock marine plug.

ezstriper

10-08-2008 05:58 PM

thanks !!! Rob

ThruHull

10-08-2008 08:08 PM

They used to make a MR43TS that I ran but for some reason they stopped producing it, so I switched to the R43TS to keep the extended tip....no problems in the last 3 years..knock on wood

lakepop

10-08-2008 08:13 PM

champiom rv15yc4

Strip Poker 388

10-09-2008 04:40 PM

Quote:

Originally Posted by Griff (Post 2710183)

Either of the above will work well. They are both AC plugs. The R43TS is an automotive version with an extended tip. It will burn a little cleaner. Th MR43T is the stock marine plug.

Wasent the MR a stainless or cad coated plug?

obnoxus

10-09-2008 05:36 PM

Quote:

Originally Posted by lakepop (Post 2710272)

champiom rv15yc4

Not if they were free !!!! But thats just me :drink:

obnoxus

10-09-2008 05:37 PM

NGK BR6FS is my first choice

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