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  3. OS Engines

O.S. Engines

O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.

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270

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241

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36

$500 or more

26

1236-1331 of 1812 Results

    Crankcase: 50SX-H

    Crankcase: 50SX-H

    $67.24
    Crankshaft: 75AX

    Crankshaft: 75AX

    $66.04
    Crank Pin Stop Screw: GT22

    Crank Pin Stop Screw: GT22

    $10.94
    Cylinder Head: GF30

    Cylinder Head: GF30

    $135.55
    Drive Washer: GT15HZ

    Drive Washer: GT15HZ

    $48.51
    Gasket Set: 120AX

    Gasket Set: 120AX

    $10.94
    Gasket Head, .1mm: 105HZ

    Gasket Head, .1mm: 105HZ

    $7.46
    Head Gasket: 200 Surpass

    Head Gasket: 200 Surpass

    $6.49
    Intake Valve: GF40

    Intake Valve: GF40

    $48.31

    Intake Manifold: FT-120 160

    $44.22

    Intake Pipe Assembly: FS-91-P

    $29.49

    Intake Pipe AS-L: FT-240

    $22.16

    Locknut Set Spinner: FS-52

    $22.26

    Silencer Body F-5040: FS110A

    $48.41

    Muffler Assembly Screw #842

    $8.43

    Needle #70A

    $13.78

    Pushrod: 200 Surpass

    $10.86

    Piston Pin Retainer: GT55 (2)

    $7.46

    Piston: FS-62V

    $34.76

    Piston Pin: 108FSR

    $14.75

    Tappet Screw: FS-20 48

    $8.49

    Throttle Stop Screw #40D

    $6.49

    Valve Assembly Exhaust: FS-120 Surpass

    $44.10

    Valve Spring: GF40

    $9.46
    Muffler Extension: #762

    Muffler Extension: #762

    $16.09
    Rear Bearing: 40-50
    4(1)

    Rear Bearing: 40-50

    $26.34
    Carburetor Body: #60Y, FS110A

    Carburetor Body: #60Y, FS110A

    $42.11
    Carburetor Rotor: #40E

    Carburetor Rotor: #40E

    $22.99
    Carburetor Rotor: 70T, GF30

    Carburetor Rotor: 70T, GF30

    $63.12
    Connecting Rod: 120AX

    Connecting Rod: 120AX

    $36.85
    Carburetor Reducer 8mm, Red: 21VZB (P) V-Spec

    Carburetor Reducer 8mm, Red: 21VZB (P) V-Spec

    $11.80
    Exhaust Header Pipe M1021: 21TM

    Exhaust Header Pipe M1021: 21TM

    $48.55
    Front Crankshaft Bearing: Speed T1202

    Front Crankshaft Bearing: Speed T1202

    $22.04
    Cover Plate: B2101 Speed

    Cover Plate: B2101 Speed

    $25.44
    Inner Head: 28XZ

    Inner Head: 28XZ

    $57.86
    Dust Cap Set, 3mm (5) & Carburetor Nipple

    Dust Cap Set, 3mm (5) & Carburetor Nipple

    $9.85
    T-2100SC Tuned Pipe

    T-2100SC Tuned Pipe

    $152.41
    Carburetor Body: 21JN

    Carburetor Body: 21JN

    $79.99
    Crankcase: 25LA Natural

    Crankcase: 25LA Natural

    $34.86
    Cylinder & Piston: 12TR (P)-T

    Cylinder & Piston: 12TR (P)-T

    $75.99
    Inner Head: speed 21XZ-B Spec III

    Inner Head: speed 21XZ-B Spec III

    $52.69
    Cylinder & Piston Assembly: 28XZ

    Cylinder & Piston Assembly: 28XZ

    $176.55
    Drive Washer: 12TR

    Drive Washer: 12TR

    $7.46
    Dust Cover: 18TM

    Dust Cover: 18TM

    $9.85
    Metering Needle 12F2: 12XZ Speed Spec

    Metering Needle 12F2: 12XZ Speed Spec

    $19.14
    Radial Mount: Sirius 7

    Radial Mount: Sirius 7

    $135.66
    Carburetor Body: #70C

    Carburetor Body: #70C

    $87.39
    Carburetor: #60RA, FS81A

    Carburetor: #60RA, FS81A

    $102.96
    Rear Cover Plate: GT22

    Rear Cover Plate: GT22

    $30.44
    Crankcase: 95AX

    Crankcase: 95AX

    $125.04
    Crankcase: 32SX-H

    Crankcase: 32SX-H

    $48.41
    Cylinder Liner: FS110A

    Cylinder Liner: FS110A

    $49.46
    Thermo Insulator: 21B, 40E, 70C Carb

    Thermo Insulator: 21B, 40E, 70C Carb

    $17.99
    Link Rod: FR5

    Link Rod: FR5

    $27.56
    Mount Screw

    Mount Screw

    $6.49
    Muffler Screw: 120AX

    Muffler Screw: 120AX

    $8.43
    Muffler Assembly Screw #E-2030

    Muffler Assembly Screw #E-2030

    $8.43
    Nipple #7: FS-52 Supass

    Nipple #7: FS-52 Supass

    $6.49
    Needle Assembly #7H #7F

    Needle Assembly #7H #7F

    $22.04
    O-Ring Large: 120Surpass

    O-Ring Large: 120Surpass

    $6.49
    Piston Pin: GT22

    Piston Pin: GT22

    $19.14
    Piston Ring: GF40

    Piston Ring: GF40

    $33.61
    Standoff 5x19.1mm 3/4" (4): GT55

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

    $31.50
    Venturi Funnel 70R: FS155A-P

    Venturi Funnel 70R: FS155A-P

    $22.04
    Main Shaft: OMA-2815-1100

    Main Shaft: OMA-2815-1100

    $6.99
    Throttle Lever: 120Surpass
    5(1)

    Throttle Lever: 120Surpass

    $6.49
    Cover Plate: GF30 II

    Cover Plate: GF30 II

    $44.17
    Motor Mount: 25LA
    5(2)

    Motor Mount: 25LA

    $25.29
    Air Bleed Screw: FS-20, FS-40

    Air Bleed Screw: FS-20, FS-40

    $6.49
    Air Bleed Screw: FL70

    Air Bleed Screw: FL70

    $5.99
    Rear Bearing: GT60

    Rear Bearing: GT60

    $25.44
    Cam Cover: GF40

    Cam Cover: GF40

    $19.22
    Carburetor Body: #70A

    Carburetor Body: #70A

    $45.99
    Carburetor Rotor: 61T, FS-62V

    Carburetor Rotor: 61T, FS-62V

    $30.44
    Cover Plate: GT15

    Cover Plate: GT15

    $18.99
    Crankcase: GGT15

    Crankcase: GGT15

    $125.03
    Crankshaft: 10LA

    Crankshaft: 10LA

    $20.99
    Cylinder Head: 200 Surpass

    Cylinder Head: 200 Surpass

    $119.86
    Cylinder Head Assembly: FS-120 III

    Cylinder Head Assembly: FS-120 III

    $162.95
    Head Gasket FS155A-P

    Head Gasket FS155A-P

    $6.49
    Thermo Insulator: GF40

    Thermo Insulator: GF40

    $30.44
    Carburetor Gasket: GT15HZ

    Carburetor Gasket: GT15HZ

    $10.94
    Electronic Ignition Module: GT55

    Electronic Ignition Module: GT55

    $303.45
    Intake Manifold Assembly: FS-120III

    Intake Manifold Assembly: FS-120III

    $34.86
    Mixture Control Valve: #60K

    Mixture Control Valve: #60K

    $25.99
    Needle Assembly #40N

    Needle Assembly #40N

    $22.04
    Piston Pin: FS-95V

    Piston Pin: FS-95V

    $11.95
    Piston Ring: FS-91-P

    Piston Ring: FS-91-P

    $29.49
    Pushrod: GF40

    Pushrod: GF40

    $29.68
    Reed Valve Assembly: GT60

    Reed Valve Assembly: GT60

    $25.19
    Rocker Arm Assembly: F61-300

    Rocker Arm Assembly: F61-300

    $29.49
    Rocker Cover: 56 FS

    Rocker Cover: 56 FS

    $17.16
    Rotor Stop Screw #4D

    Rotor Stop Screw #4D

    $6.49
    Carburetor Reducer 7mm, Yellow: 21XZ-B

    Carburetor Reducer 7mm, Yellow: 21XZ-B

    $11.80
    Carburetor Reducer 6.5mm: Speed 21 V-SpecII

    Carburetor Reducer 6.5mm: Speed 21 V-SpecII

    $20.05
    Speed P4 Gold Super Hot Plug

    Speed P4 Gold Super Hot Plug

    $16.99

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