ONE ULTIMATE EDITION ENGINE 3.5CC – 9 PORTS – TUNED VERSION

ONE EDITION ENGINE 3.5CC – 9 PORTS – STANDARD VERSION

ONE EURO SPEC 7 PORTS ULTIMATE EDITION – TUNED VERSION

ONE EURO SPEC 7 PORTS ULTIMATE EDITION – TUNED – PRE BREAK IN

MAX 21 GT – 5 PORTS – TUNED VERSION WITH ULTRA LIGHT HEADER

1203 O.S. ENGINE  GOLD EDITION – TUNED VERSION

BUILT UP PARTS SET COMPLETE O.S. GT ENGINE MAX R21 5 PORTS – TUNED

 O.S. FLUX COVER PLATE 2.1 CC

COVER PLATE 3.5CC FOR ONE ENGINE – O.S. SPEED .21 R21

 O.S. FLUX COVER PLATE 3.5 CC

UNDERHEAD ONE.21 Ø37.9 + SHIMS

 ONE COMPETITION FUEL 16% PRO; 16%; 25%

VENTURI KIT ONE Ø 9

REAR BEARING GT XRD BASED 3,5CC Ø14,2X25,4X6,3 mm 9 STEEL BALLS

CONROD 3.5CC ONE ENGINE – O.S. SPEED .21 R21