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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
This is A custom designed expansion chamber for your saw
Saw must be In good running order for dyno runs
Ported 550xp 20" bar and c33 chain
Remove cylinder
Slide the rings over the mandrel to cut your desired bore size
DYNO SERVICE This is A custom designedMail in dyno session. Send your saw in to see what type of improvement your modifications have made. Saw must be In good running order for dyno runs. Start, idle, max rpm and return to idle. Runs will be made, best run will be selected, printed and returned with your saw.
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