O.S. Engines

O.S. Engines Category Image
Quality and performance has made O.S. the standard in RC engines for over 80 years.
Filter
Filter
Clear Filters
  • (1225)
  • (257)
  • (220)
  • (32)
  • (20)
  • (1)
  • (31)
  • (4)
  • (142)
  • (44)
  • (15)
  • (2)
  • (1)
  • (1)
  • (30)
  • (22)
  • (3)
  • (1)
  • (3)
  • (2)
  • (1)
865-888 of 1,755 Results
Connecting Rod: BGX-3500 Connecting Rod: BGX-3500
3.2 out of 5 Customer Rating
Connecting Rod: BGX-3500
$43.99
Cylinder Head: GGT10 Cylinder Head: GGT10
4.8 out of 5 Customer Rating
Cylinder Head: GGT10
$29.55
Cylinder Liner: FR5 Cylinder Liner: FR5
4 out of 5 Customer Rating
Cylinder Liner: FR5
$45.22
Collector Exhaust Pipe: IL-300 Dia Star Collector Exhaust Pipe: IL-300 Dia Star
5 out of 5 Customer Rating
Collector Exhaust Pipe: IL-300 Dia Star
$411.70
Pushrod Cover Assembly: 200 Surpass Pushrod Cover Assembly: 200 Surpass
5 out of 5 Customer Rating
Pushrod Cover Assembly: 200 Surpass
$11.84
Pushrod Cover Assembly: FT-120-240 Pushrod Cover Assembly: FT-120-240
3.6 out of 5 Customer Rating
Pushrod Cover Assembly: FT-120-240
$21.10
Piston Ring: FS-61 Piston Ring: FS-61
5 out of 5 Customer Rating
Piston Ring: FS-61
$26.24
Piston Ring: 60-61 Piston Ring: 60-61
3.2 out of 5 Customer Rating
Piston Ring: 60-61
$26.24
Rear Housing: FT-160 Rear Housing: FT-160
5 out of 5 Customer Rating
Rear Housing: FT-160
$97.81
Rotor Guide Screw: F90-300 Rotor Guide Screw: F90-300
3.6 out of 5 Customer Rating
Rotor Guide Screw: F90-300
$6.49
Valve Spring Seat: 56 FS Valve Spring Seat: 56 FS
4.8 out of 5 Customer Rating
Valve Spring Seat: 56 FS
$6.45
Bearing Set: OMA-2820-950 Bearing Set: OMA-2820-950
3.6 out of 5 Customer Rating
Bearing Set: OMA-2820-950
$30.99
Connector Set: OMA-50 Connector Set: OMA-50
4 out of 5 Customer Rating
Connector Set: OMA-50
$15.99
Needle Valve Holder 61ER Needle Valve Holder 61ER
4 out of 5 Customer Rating
Needle Valve Holder 61ER
$11.80
Metering Needle 21M Metering Needle 21M
4.4 out of 5 Customer Rating
Metering Needle 21M
$19.14
Screw Set (8): 30VG Screw Set (8): 30VG
5 out of 5 Customer Rating
Screw Set (8): 30VG
$9.85
Speed Exhaust Seal Ring (10): B21 Speed Exhaust Seal Ring (10): B21
5 out of 5 Customer Rating
Speed Exhaust Seal Ring (10): B21
$38.86
Rear Bearing: 19XZ-B Speed Rear Bearing: 19XZ-B Speed
4.8 out of 5 Customer Rating
Rear Bearing: 19XZ-B Speed
$109.38
Carburetor Body: 21M Carburetor Body: 21M
4.8 out of 5 Customer Rating
Carburetor Body: 21M
$26.16 Price reduced from $87.21 to
Clearance Sale! ⓘ
Cover Plate: 21XZ-B Ver2 Cover Plate: 21XZ-B Ver2
5 out of 5 Customer Rating
Cover Plate: 21XZ-B Ver2
$6.61 Price reduced from $22.04 to
Clearance Sale! ⓘ
Cylinder/Piston/Rod: Speed T1202 Cylinder/Piston/Rod: Speed T1202
5 out of 5 Customer Rating
Cylinder/Piston/Rod: Speed T1202
$176.79
Crankcase: O.S. Speed B2104 Crankcase: O.S. Speed B2104
4.2 out of 5 Customer Rating
Crankcase: O.S. Speed B2104
$176.99
O.S. Carburetor 12F5(B) Speed: T1203 O.S. Carburetor 12F5(B) Speed: T1203
4.2 out of 5 Customer Rating
O.S. Carburetor 12F5(B) Speed: T1203
$125.13
O.S. Carburetor 22D (B) Without Reducer B2103 O.S. Carburetor 22D (B) Without Reducer B2103
4 out of 5 Customer Rating
O.S. Carburetor 22D (B) Without Reducer B2103
$162.83
Clear All

HORIZON HOBBY, WHERE RC MEMORIES LIVE.

Who We Are.

At Horizon Hobby, our personal goal is to inspire dreams and build memories. We take pride in providing the best hobby store experience for our customers, whether that’s online, at RC events, or in the RC community with RC cars, RC planes, RC boats, and so much more.

Our Values.

Our purpose is simple: deliver WOW moments. By pursuing the best experience through our portfolio of RC cars, helicopters, airplanes, boats, and more, we bring the RC community together in every city, town, and country. We are radio control innovators and Driven is our middle name.

Our Promise.

Our promise to our customers is creating one-of-a-kind experiences that keeps you coming back for more. We are more than an online hobby store. Our RC cars and trucks, RC airplanes and helicopters, and other radio control products are with you at home, on the go, and with your friends. We bring the fun.

Our policies are top notch:
Same Day Shipping
Free Shipping Over $99
Expert Product Support
Easy Returns
Sign up for Horizon Hobby Text Alerts!

Never miss out - text HOBBY to 44721Learn More

Shop
Support
Company Info
Legal
Copyright © Horizon Hobby, LLC