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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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267

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$500 or more

22

97-192 of 1771 Results

    Front Bearing: 40-240
    5(2)

    Front Bearing: 40-240

    $21.17
    O.S. Dust Cover 21E 21F 22D 22J

    O.S. Dust Cover 21E 21F 22D 22J

    $11.91
    Outer Head: B2101 Speed

    Outer Head: B2101 Speed

    $108.03
    O-Ring Needle: FS/FX/LA
    4.8(8)

    O-Ring Needle: FS/FX/LA

    $8.49
    Standoff 5x50.8mm 2" (4): GT55

    Standoff 5x50.8mm 2" (4): GT55

    $48.51
    Carburetor 70R: FS155A-P

    Carburetor 70R: FS155A-P

    $157.70
    Motor Mount: 65LA, 61-91FX, 75AX
    5(2)

    Motor Mount: 65LA, 61-91FX, 75AX

    $40.12
    Crankshaft Bearing, Front: FS-91

    Crankshaft Bearing, Front: FS-91

    $26.34
    Locknut Set: FS-120 Surpass
    5(1)

    Locknut Set: FS-120 Surpass

    $26.24
    Carburetor #10G: 15LA

    Carburetor #10G: 15LA

    $25.29
    Locknut Set: FS-91 Surpass
    5(2)

    Locknut Set: FS-91 Surpass

    $24.23
    O.S. Cylinder Piston Rod Set Speed B2103 Type R

    O.S. Cylinder Piston Rod Set Speed B2103 Type R

    $242.95
    Carburetor 60PS: FS-95V
    5(1)

    Carburetor 60PS: FS-95V

    $119.97
    Speed Exhaust Seal Ring (10): B21

    Speed Exhaust Seal Ring (10): B21

    $38.86
    Needle #7M #7LFS
    5(1)

    Needle #7M #7LFS

    $13.78
    #6 A3 Glow Plug Hot Air
    4.7(16)

    #6 A3 Glow Plug Hot Air

    $11.99
    Ignition Module IG-06: GT15

    Ignition Module IG-06: GT15

    $97.70
    Needle Ext Cable: FR5 300
    5(1)

    Needle Ext Cable: FR5 300

    $8.49
    Carburetor Screw: #4D4C2H
    5(6)

    Carburetor Screw: #4D4C2H

    $6.49
    Thrust Washer: FT-120 160
    5(1)

    Thrust Washer: FT-120 160

    $6.49
    Muffler Screws #871 (2)

    Muffler Screws #871 (2)

    $6.49
    Woodruff Key: 61-91
    5(3)

    Woodruff Key: 61-91

    $6.45
    Gasket Carburetor: 61-108

    Gasket Carburetor: 61-108

    $6.49
    Crankcase: B2102 Speed

    Crankcase: B2102 Speed

    $147.19
    Silencer E-4040: GT15 75AX 95AX

    Silencer E-4040: GT15 75AX 95AX

    $51.64
    Outer Head O.S. Speed B21 Adam Drake Edition 3

    Outer Head O.S. Speed B21 Adam Drake Edition 3

    $97.99
    Crankshaft: 65AX

    Crankshaft: 65AX

    $57.78
    Motor Mount: 46, 55AX
    5(5)

    Motor Mount: 46, 55AX

    $34.86
    Cover Plate Assembly: 25FX
    5(1)

    Cover Plate Assembly: 25FX

    $29.49
    Motor Mount: FS52S, 56A
    5(1)

    Motor Mount: FS52S, 56A

    $36.85
    Muffler: E-2030, 20-25FP
    5(1)

    Muffler: E-2030, 20-25FP

    $26.24
    Standoff 5x38.1mm 1-1/2" (4): GT55

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

    $42.11
    Cylinder Head: .35AX

    Cylinder Head: .35AX

    $22.04
    High Pressure Check Valve: 91HZ-R

    High Pressure Check Valve: 91HZ-R

    $21.10
    Carburetor Body: #20H

    Carburetor Body: #20H

    $19.14
    Muffler Extension Adapter E-3070: 873
    5(4)

    Muffler Extension Adapter E-3070: 873

    $19.05
    Cover Plate Assembly: 15LA

    Cover Plate Assembly: 15LA

    $17.03
    Mixture Control Valve 18TM

    Mixture Control Valve 18TM

    $14.73
    Drive Hub: 35AX

    Drive Hub: 35AX

    $13.83
    Exhaust Gasket: 21RZ

    Exhaust Gasket: 21RZ

    $13.78
    #7 Glow Plug, Medium Hot Air
    5(3)

    #7 Glow Plug, Medium Hot Air

    $11.99
    Hex Head Screw 4x40mm (10)

    Hex Head Screw 4x40mm (10)

    $11.80
    Screw Set: FS-48 Surpass
    4(1)

    Screw Set: FS-48 Surpass

    $10.90
    Cover Plate: 15LA
    4(1)

    Cover Plate: 15LA

    $10.86
    Long Spinner Nut 1/4"-28
    5(3)

    Long Spinner Nut 1/4"-28

    $11.80
    Venturi: 15FP S

    Venturi: 15FP S

    $9.85
    Throttle Lever #2F #2FB

    Throttle Lever #2F #2FB

    $7.49
    Screw Set (8): 12CV-X

    Screw Set (8): 12CV-X

    $7.46
    Cylinder Head Gasket: 35AX

    Cylinder Head Gasket: 35AX

    $6.49
    Prop Nut: 61-120
    4.7(3)

    Prop Nut: 61-120

    $6.49
    Thrust Washer: BGX-3500
    5(1)

    Thrust Washer: BGX-3500

    $6.49
    Gasket Carburetor: 40-61, FT-300
    5(2)

    Gasket Carburetor: 40-61, FT-300

    $6.49
    Ratchet Spring #7H #7D #2K
    5(3)

    Ratchet Spring #7H #7D #2K

    $6.49
    Muffler Mounting Screws #873 (2)
    5(3)

    Muffler Mounting Screws #873 (2)

    $6.49
    Cylinder Piston Rod Set: O.S. Speed B2104

    Cylinder Piston Rod Set: O.S. Speed B2104

    $242.95
    Cover Plate: O.S. Speed B2104

    Cover Plate: O.S. Speed B2104

    $28.35
    Carburetor Retainer: 21EX-B, R

    Carburetor Retainer: 21EX-B, R

    $11.87
    Crankcase: 21XZ-B

    Crankcase: 21XZ-B

    $124.99
    Cylinder Rebuild Kit: R2101 Speed

    Cylinder Rebuild Kit: R2101 Speed

    $232.21
    Cylinder & Piston Speed: T1202

    Cylinder & Piston Speed: T1202

    $127.43
    Outer Head: T1201 Speed

    Outer Head: T1201 Speed

    $102.46
    Outer Head: 19XZ-B Speed

    Outer Head: 19XZ-B Speed

    $102.20
    Air Filter: INS

    Air Filter: INS

    $40.99
    Carburetor Body: 21J3

    Carburetor Body: 21J3

    $97.70
    Carburetor Rotor: #11J

    Carburetor Rotor: #11J

    $29.60
    Connecting Rod: Speed B2101, B2102
    5(1)

    Connecting Rod: Speed B2101, B2102

    $52.58
    Connecting Rod: 21XR-B Version II

    Connecting Rod: 21XR-B Version II

    $29.56
    Crankcase: 21XZ-B Ver2

    Crankcase: 21XZ-B Ver2

    $124.95
    O.S. Crankshaft Speed B2103 Type S & Type R

    O.S. Crankshaft Speed B2103 Type S & Type R

    $193.70
    Cylinder Piston Assembly: 21XZ-B Spec 2

    Cylinder Piston Assembly: 21XZ-B Spec 2

    $204.38
    Thermo Insulator, 11K: 18TM

    Thermo Insulator, 11K: 18TM

    $19.14
    Rear Adapter: 18TM

    Rear Adapter: 18TM

    $19.05
    Speed Flywheel Puller

    Speed Flywheel Puller

    $48.34
    Speed Hex Driver Replacement Tip 2.5

    Speed Hex Driver Replacement Tip 2.5

    $18.39
    Outer Head O.S. Speed R2106

    Outer Head O.S. Speed R2106

    $124.99
    Dust Cap Set, 18mm (3)

    Dust Cap Set, 18mm (3)

    $11.91
    Piston Pin: 19XZ-B Speed

    Piston Pin: 19XZ-B Speed

    $8.61
    Inner Head O-Ring O.S. T1204 (S30-FKM)

    Inner Head O-Ring O.S. T1204 (S30-FKM)

    $9.89
    Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition

    Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition

    $22.11
    Carburetor 21M2-B: Speed R2101

    Carburetor 21M2-B: Speed R2101

    $152.36
    T-2080SC II Tuned Silencer Complete Set

    T-2080SC II Tuned Silencer Complete Set

    $270.89
    Carburetor Body: #21C

    Carburetor Body: #21C

    $79.99
    Crankcase: R21

    Crankcase: R21

    $136.57
    Crankshaft: 12XZ Speed Spec II

    Crankshaft: 12XZ Speed Spec II

    $119.97
    Crankshaft: 28XZ

    Crankshaft: 28XZ

    $131.09
    Cylinder/Piston/Rod: B2101 Speed

    Cylinder/Piston/Rod: B2101 Speed

    $242.95
    Inner Head: 21XZ-R Speed

    Inner Head: 21XZ-R Speed

    $57.96
    Carburetor Reducer 8mm, Red: Speed 21 V-Spec

    Carburetor Reducer 8mm, Red: Speed 21 V-Spec

    $21.10
    RP8 Turbo Glow Plug, On-Road, Cold

    RP8 Turbo Glow Plug, On-Road, Cold

    $15.99
    M1006SC Manifold

    M1006SC Manifold

    $71.60
    TR02 Tuned Silencer EFRA2165

    TR02 Tuned Silencer EFRA2165

    $184.82
    Rear Bearing: 12TR

    Rear Bearing: 12TR

    $61.99
    Carburetor Retainer: 12CV

    Carburetor Retainer: 12CV

    $11.87
    Crankshaft: 21XZ-B Speed

    Crankshaft: 21XZ-B Speed

    $174.99
    S. Cylinder & Piston Assembly: 12XZ Speed Spec 3

    S. Cylinder & Piston Assembly: 12XZ Speed Spec 3

    $127.39
    Inner Head: 12XZ Speed Spec 3

    Inner Head: 12XZ Speed Spec 3

    $31.99

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