> I buy mine from Mazdatrix.  
> Here is the link to the spark plugs:
> http://www.mazdatrix.com/ign-2.htm

Interesting.
Their price for the BUR7EQP is $10.72
The BUR7EQ (not P) I get from the local AutoZone are $5 each.

Do I need the Platinum ones at double the price?
Anyone know a cheaper source?
John