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
  • (1237)
  • (270)
  • (236)
  • (37)
  • (27)
  • (31)
  • (4)
  • (140)
  • (49)
  • (15)
  • (2)
  • (1)
  • (40)
  • (27)
  • (7)
  • (1)
  • (3)
  • (2)
  • (1)
1,153-1,176 of 1,808 Results
Rotor Guide Screw: F90-300 Rotor Guide Screw: F90-300
3.6 out of 5 Customer Rating
Rotor Guide Screw: F90-300
$6.49
Hex Head Screw 4x15mm (10) Hex Head Screw 4x15mm (10)
5 out of 5 Customer Rating
Hex Head Screw 4x15mm (10)
$11.80
Valve Spring Seat: FS-95V Valve Spring Seat: FS-95V
4.4 out of 5 Customer Rating
Valve Spring Seat: FS-95V
$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
Valve Assembly Intake: FS-120 Surpass Valve Assembly Intake: FS-120 Surpass
4.8 out of 5 Customer Rating
Valve Assembly Intake: FS-120 Surpass
$44.10
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
Throttle Lever Nut #10ER Throttle Lever Nut #10ER
5 out of 5 Customer Rating
Throttle Lever Nut #10ER
$6.45
105HZ-R DRS 1.05 Helicopter Engine 105HZ-R DRS 1.05 Helicopter Engine
4 out of 5 Customer Rating
105HZ-R DRS 1.05 Helicopter Engine
$722.99
Carburetor Reducer 6mm, Red: B2101 Speed Carburetor Reducer 6mm, Red: B2101 Speed
5 out of 5 Customer Rating
Carburetor Reducer 6mm, Red: B2101 Speed
$21.10
R5 Glow Plug Cold On-Road R5 Glow Plug Cold On-Road
4.4 out of 5 Customer Rating
R5 Glow Plug Cold On-Road
$18.99
T-1070SC L52 Pipe Set T-1070SC L52 Pipe Set
4.4 out of 5 Customer Rating
T-1070SC L52 Pipe Set
$190.29
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
$87.21
Cover Plate: T1201 Speed Cover Plate: T1201 Speed
5 out of 5 Customer Rating
Cover Plate: T1201 Speed
$21.08
Cover Plate: 105HZ Cover Plate: 105HZ
4.2 out of 5 Customer Rating
Cover Plate: 105HZ
$22.30
Cover Plate: 21XZ-B Ver2 Cover Plate: 21XZ-B Ver2
5 out of 5 Customer Rating
Cover Plate: 21XZ-B Ver2
$22.04
Cylinder/Piston/Rod: Speed T1202 Cylinder/Piston/Rod: Speed T1202
5 out of 5 Customer Rating
Cylinder/Piston/Rod: Speed T1202
$176.79
Outer Head: 12XZ Speed Spec 3 Outer Head: 12XZ Speed Spec 3
5 out of 5 Customer Rating
Outer Head: 12XZ Speed Spec 3
$92.99
Carburetor Reducer, 7.0mm: OS Speed B21 Pink Rhonda Drake Edition Carburetor Reducer, 7.0mm: OS Speed B21 Pink Rhonda Drake Edition
3.4 out of 5 Customer Rating
Carburetor Reducer, 7.0mm: OS Speed B21 Pink Rhonda Drake Edition
$22.11
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