O.S. Engines

Rotor Spring #2CK #2B

Screw Set (8): 15CV-A

Screw Set (8): 30VG

Screw Set (10): 61RX SX

Hex Head Screw 5x55mm (10)

Screw Set (12): FS-91 Surpass

Cylinder Head Screws (10): 120AX

Hex Head Screw 5x60mm (10): GT60

Screw Set (34): FT-120 (34)

Speed Exhaust Seal Ring (10): B21

Slide Valve 12D: 18TM

Slide Valve Stop Screw #21J

Standoff 5x38.1mm 1-1/2" (4): GT55

Standoff 5x19.1mm 3/4" (4): GT55

#5 Recoil Starter Body

Thermo Insulator 21J3

Throttle Lever #1A-#3A

Throttle Lever #2B #2CB

O-Ring IV PRC #6H Rubber

O.S.SPEED B2105 COMBO SET

CYLINDER/PISTON/ROD SET: O.S. MAX-B21

MAX-B21 Car Engine Combo Set

MAX-B21 Car Engine

CYLINDER/PISTON SET O.S. MAX-B21