the stock blaster heelgaurd is built and positioned like it is for a reason.
same distance/position in front of the tire as the right side, but stepped back where the kicker/foot fall during starting.
as far as i know, the blaster is the only heelgaurd (that will fit) to feature this, due to it's compact design.
when using double pegs, or spacers, to move the heelgaurd back further to eliminate kicker interference, unless you're running a + swingarm, you'll soon find the back tires eating heelgaruds.
even stock heelgaurds on a stock swinger can show signs of tire rub from aggressive riding.
the wire cage on the rap/yfz gaurds make tire contact all but catostophic, as the tire grabs the cage and bends it to hell.
my buddies been thru 3 right side yfz's without a + swinger
without a + swinger, your best bet is aftermarket heelgaurds made for the blaster, with the kicker "step back"
or deal with the slight kicker interference when using the rappy/yfz gaurds.
a + swinger, at least 3-4", opens up your choices.