16-04-2017, 10:50 AM
that's the advance piston i believe, i would take it steady, as you can see it's spring loaded, i haven't actually removed one myself but i think if you go careful you'll be alright

Phase 1 D-Turdo, K14@24 psi, De-cat, meaty backbox, Bosch pump, grinded LDA pin, duel air fed K&N =133.7bhp & 188ft/lbs