HAPPY 4TH OF JULY!

Enjoy Independence Day and Save Up to $400

40TH ANNIVERSARY BLOG

Celebrating 40 years of Horizon Hobby!

CLEARANCE SALE

Save Big While Supplies Last

HAPPY 4TH OF JULY!

Enjoy Independence Day and Save Up to $400

40TH ANNIVERSARY BLOG

Celebrating 40 years of Horizon Hobby!

CLEARANCE SALE

Save Big While Supplies Last

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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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769-864 of 1771 Results

    Pushrod Cover: FT-120-240

    Pushrod Cover: FT-120-240

    $9.44
    Pushrod Cover Assembly: 120Surpass

    Pushrod Cover Assembly: 120Surpass

    $22.04
    Piston Pin Retainer: GT55 (2)

    Piston Pin Retainer: GT55 (2)

    $7.46
    Gasket: #3A2CBD
    3(1)

    Gasket: #3A2CBD

    $6.49
    Gasket Set: FS-120 II
    5(1)

    Gasket Set: FS-120 II

    $10.94
    Cover Gasket: S42, GT22

    Cover Gasket: S42, GT22

    $7.46
    Gasket Carburetor: 61-108

    Gasket Carburetor: 61-108

    $6.49
    Gasket Carburetor: #60B

    Gasket Carburetor: #60B

    $6.49
    Carburetor Gasket: GT60

    Carburetor Gasket: GT60

    $10.94
    Gasket Head, .1mm: 105HZ

    Gasket Head, .1mm: 105HZ

    $7.46
    Carburetor Gasket Set: WLA-2 (3)

    Carburetor Gasket Set: WLA-2 (3)

    $17.16
    Drive Washer: FS-48 Surpass
    4(1)

    Drive Washer: FS-48 Surpass

    $13.75
    Drive Washer: GF30

    Drive Washer: GF30

    $38.03
    Drive Spacer: GT60

    Drive Spacer: GT60

    $38.03
    Carburetor Dust Covers: #12FB, 12XZ Speed

    Carburetor Dust Covers: #12FB, 12XZ Speed

    $7.46
    Exhaust Cam: Sirius 7

    Exhaust Cam: Sirius 7

    $70.37
    Exhaust Pipe: 120-240

    Exhaust Pipe: 120-240

    $21.04
    Exhaust Pipe Nut: F40-300
    4(1)

    Exhaust Pipe Nut: F40-300

    $6.49
    Exhaust Pipe Assembly: FS81 Alpha

    Exhaust Pipe Assembly: FS81 Alpha

    $19.14
    Piston: 50SX-H

    Piston: 50SX-H

    $37.80
    Cover Gasket: FS-70 Ultimate

    Cover Gasket: FS-70 Ultimate

    $11.91
    Cylinder Head Gasket, .2mm: 91HZ

    Cylinder Head Gasket, .2mm: 91HZ

    $7.46
    Thermo Insulator: GT15HZ

    Thermo Insulator: GT15HZ

    $10.94
    Head Gasket: 56 FS

    Head Gasket: 56 FS

    $6.49
    Gasket Head: 65AX

    Gasket Head: 65AX

    $6.49
    Fuel Inlet: #61B, 91HZ

    Fuel Inlet: #61B, 91HZ

    $11.80
    Fuel Nipple: #20A, B

    Fuel Nipple: #20A, B

    $10.86
    Gasket Set: 46AX
    5(1)

    Gasket Set: 46AX

    $11.80
    Exhaust Gasket: 55HZ

    Exhaust Gasket: 55HZ

    $17.16
    Head Gasket Set: 12TZ Spec II

    Head Gasket Set: 12TZ Spec II

    $7.46
    Gasket Set: 70SZ-H

    Gasket Set: 70SZ-H

    $7.46
    Head Gasket: 25LA

    Head Gasket: 25LA

    $6.49
    Head Gasket: 15CV

    Head Gasket: 15CV

    $6.49
    Cylinder Head Gasket: 35AX

    Cylinder Head Gasket: 35AX

    $6.49
    Head Gasket: 65LA

    Head Gasket: 65LA

    $6.49
    Head Gasket: 200 Surpass

    Head Gasket: 200 Surpass

    $6.49
    Gasket Set: 50SX-H

    Gasket Set: 50SX-H

    $8.43
    Gasket Set: BGX 3500

    Gasket Set: BGX 3500

    $10.94
    Gasket Set: FS-91-P
    5(1)

    Gasket Set: FS-91-P

    $10.94
    Gasket Carb IP: #10, FR5

    Gasket Carb IP: #10, FR5

    $6.49
    Cover Gasket: 200 Surpass

    Cover Gasket: 200 Surpass

    $6.49
    Carburetor Gasket: 200 Surpass

    Carburetor Gasket: 200 Surpass

    $7.46
    Carburetor Spacer: Sirius 7

    Carburetor Spacer: Sirius 7

    $10.86
    Cover Plate Gasket: 35AX

    Cover Plate Gasket: 35AX

    $10.94
    Gasket Exhaust: GT55

    Gasket Exhaust: GT55

    $7.46
    Head Gasket: FT-160

    Head Gasket: FT-160

    $6.45
    Head Gasket: FS-95V

    Head Gasket: FS-95V

    $6.49
    Head Gasket: FR5

    Head Gasket: FR5

    $11.72
    Head Gasket: GGT10

    Head Gasket: GGT10

    $11.87
    Valve Adjustment Kit: 4-Stroke
    5(6)

    Valve Adjustment Kit: 4-Stroke

    $15.78
    Carburetor Reed Valve Gasket: GT33

    Carburetor Reed Valve Gasket: GT33

    $10.94
    Gasket Carburetor: 120-240

    Gasket Carburetor: 120-240

    $6.49
    Insulator, 60K

    Insulator, 60K

    $19.05
    Gasket Head, .2mm: 105HZ

    Gasket Head, .2mm: 105HZ

    $7.46
    Cylinder Head Gasket: 25AX

    Cylinder Head Gasket: 25AX

    $6.49
    Head Gasket: 10LA

    Head Gasket: 10LA

    $6.49
    Gasket Head, .2 Aluminum: 21XZ-R

    Gasket Head, .2 Aluminum: 21XZ-R

    $6.49
    Exhaust Gasket: GT22

    Exhaust Gasket: GT22

    $10.94
    M11 Header Pipe Nut: FS070S and FS91S II
    4(1)

    M11 Header Pipe Nut: FS070S and FS91S II

    $6.49
    Gasket Head: GF40

    Gasket Head: GF40

    $14.84
    Exhaust Gasket: GT33
    5(1)

    Exhaust Gasket: GT33

    $7.46
    Idle Adj Valve STP #6H7L8H

    Idle Adj Valve STP #6H7L8H

    $6.49
    Ignition Module IG-04: GF40

    Ignition Module IG-04: GF40

    $119.78
    Intake Cam: Sirius 7

    Intake Cam: Sirius 7

    $70.37
    Intake Manifold Set: Sirius 7

    Intake Manifold Set: Sirius 7

    $29.48
    Intake Manifold Assembly: FS-91 Surpass II

    Intake Manifold Assembly: FS-91 Surpass II

    $29.49
    Gear Holder Screw: 30 Wankel Rotary

    Gear Holder Screw: 30 Wankel Rotary

    $8.43
    Intake Manifold: GF30

    Intake Manifold: GF30

    $34.86
    Piston: FS-62V

    Piston: FS-62V

    $34.76
    Ignition Module IG-02: GT33

    Ignition Module IG-02: GT33

    $104.01
    Intake Valve: GF40

    Intake Valve: GF40

    $48.31
    Intake Manifold Assembly: FT-120 and FT-160

    Intake Manifold Assembly: FT-120 and FT-160

    $44.10
    Intake Manifold: FS155A-P

    Intake Manifold: FS155A-P

    $38.03
    Intake Pipe AS-R: FT-120 160

    Intake Pipe AS-R: FT-120 160

    $22.30
    Intake Pipe Assembly: FS-120 SP

    Intake Pipe Assembly: FS-120 SP

    $36.99
    Intake Pipe Left: FT-120 240

    Intake Pipe Left: FT-120 240

    $21.10
    Link Pin: Sirius 7

    Link Pin: Sirius 7

    $11.80
    Lock Cone: 40P/60GP

    Lock Cone: 40P/60GP

    $26.24
    Locknut: GT33

    Locknut: GT33

    $17.16
    Mixture Control Screw #10M

    Mixture Control Screw #10M

    $11.80
    Mixture Control Valve: 12F2

    Mixture Control Valve: 12F2

    $17.16
    Piston: 120AX

    Piston: 120AX

    $57.78
    Piston: 91HZ

    Piston: 91HZ

    $91.99
    Piston: FS-120

    Piston: FS-120

    $51.47
    Outer Head: 21XZ-R

    Outer Head: 21XZ-R

    $69.99
    Cylinder Head: 140RX

    Cylinder Head: 140RX

    $71.53
    Cylinder Head: 120AX

    Cylinder Head: 120AX

    $57.78
    Cylinder Head: FS-91-P

    Cylinder Head: FS-91-P

    $81.94
    Intake Manifold Assembly: FT-240/300

    Intake Manifold Assembly: FT-240/300

    $54.99
    Intake Manifold: FT-120 160

    Intake Manifold: FT-120 160

    $44.22
    Intake Pipe Assembly: FS-91-P

    Intake Pipe Assembly: FS-91-P

    $29.49
    Silencer Assembly Screw: 56 FS

    Silencer Assembly Screw: 56 FS

    $8.43
    Piston: 200 Surpass

    Piston: 200 Surpass

    $57.96
    Cylinder Head: GT15HZ

    Cylinder Head: GT15HZ

    $108.03
    Cylinder Jacket: FT-160

    Cylinder Jacket: FT-160

    $70.37
    Cylinder Liner: 50SX-H

    Cylinder Liner: 50SX-H

    $58.90

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