gx 390 question

[enginecrzy]

would anyone know who makes roller rocker arms
for the gx 390? i know mountian machine does but thier website is busted.
also i am looking into wisco piston for it also. has anyone done this

 

[Stang]

No one makes any aftermarket pistons specific to the GX390, you would either have to find oner for another engine that will work or custom order.

Roller Rockers I have seen some different ones around, but they seem fairly rare other then MMS. Mike Clements is suppose to be coming out with some soon though.

 

[burningtoad5000]

affordable go carts has reinforced rockers, but good luck with the piston.
the rockers are toward the bottom of the link.
affordablegokarts: GX390 PERFORMANCE PARTS

 

[Stang]

$45 bucks for rockers is ridiculous just weld up your own that's what we did.