.21 2103 TUNED VERSIONE O.S. BASED

.21 GT 5 PORTS XRD BASED

.12 TUNED BREAK IN O.S. BASED

COOLING HEAD 2.1 CC ONE .12

UNDERHEAD ONE.21 Ø37.9 + SHIMS

VENTURI KIT ONE Ø 9

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

REAR BEARING 3.5CC CERAMIC 9 BALLS 14X25.4X6

.21 COMPLETE PISTON LINEER & CONROD – O.S. SPEED .21 R21 TUNED

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

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

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