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)
1,537-1,560 of 1,808 Results
Carburetor Rotor: #120AX Carburetor Rotor: #120AX
5 out of 5 Customer Rating
Carburetor Rotor: #120AX
$37.80
Connecting Rod: FR5 Connecting Rod: FR5
5 out of 5 Customer Rating
Connecting Rod: FR5
$87.22
Cover Plate: 65LA Cover Plate: 65LA
4.2 out of 5 Customer Rating
Cover Plate: 65LA
$10.99
Cover Plate: FS-120E Cover Plate: FS-120E
3.4 out of 5 Customer Rating
Cover Plate: FS-120E
$21.10
Crankcase: 91SX-H Comp Crankcase: 91SX-H Comp
4 out of 5 Customer Rating
Crankcase: 91SX-H Comp
$129.99
Crankcase: FS-62V Crankcase: FS-62V
5 out of 5 Customer Rating
Crankcase: FS-62V
$63.22
Crankcase: 200 Surpass Crankcase: 200 Surpass
3.4 out of 5 Customer Rating
Crankcase: 200 Surpass
$190.28
Crankshaft: 46AX Crankshaft: 46AX
4 out of 5 Customer Rating
Crankshaft: 46AX
$50.72
Crankshaft: GT33 Crankshaft: GT33
4 out of 5 Customer Rating
Crankshaft: GT33
$125.47
Piston: 56 FS Piston: 56 FS
4 out of 5 Customer Rating
Piston: 56 FS
$29.49
Cylinder Head: 95AX Cylinder Head: 95AX
3.4 out of 5 Customer Rating
Cylinder Head: 95AX
$48.41
Cylinder Head with Valves: FS120SE Cylinder Head with Valves: FS120SE
4.2 out of 5 Customer Rating
Cylinder Head with Valves: FS120SE
$185.03
Cylinder Head & Valve: FF-320 Cylinder Head & Valve: FF-320
5 out of 5 Customer Rating
Cylinder Head & Valve: FF-320
$135.66
Cylinder Head: GT22 Cylinder Head: GT22
4 out of 5 Customer Rating
Cylinder Head: GT22
$52.73
Cylinder Liner: 91SZ-H Cylinder Liner: 91SZ-H
4.8 out of 5 Customer Rating
Cylinder Liner: 91SZ-H
$99.65
Drive Washer: FS-95V8 Drive Washer: FS-95V8
3.4 out of 5 Customer Rating
Drive Washer: FS-95V8
$10.94
Drive Washer: GF40 Drive Washer: GF40
4.8 out of 5 Customer Rating
Drive Washer: GF40
$42.11
Under Cover Gasket: IL-300 Dia-Star Under Cover Gasket: IL-300 Dia-Star
5 out of 5 Customer Rating
Under Cover Gasket: IL-300 Dia-Star
$8.49
Pulse Spacer: GGT10 Pulse Spacer: GGT10
5 out of 5 Customer Rating
Pulse Spacer: GGT10
$17.11
Head Gasket: FF-320 Head Gasket: FF-320
4.4 out of 5 Customer Rating
Head Gasket: FF-320
$6.49
Intake Pipe Holder Assembly: FR5-300 Intake Pipe Holder Assembly: FR5-300
4 out of 5 Customer Rating
Intake Pipe Holder Assembly: FR5-300
$15.99
Muffler Body F-5050: FS-95V Muffler Body F-5050: FS-95V
5 out of 5 Customer Rating
Muffler Body F-5050: FS-95V
$52.73
Muffler E-5040: GT22 Muffler E-5040: GT22
5 out of 5 Customer Rating
Muffler E-5040: GT22
$91.51
Piston: GT33 Piston: GT33
3.2 out of 5 Customer Rating
Piston: GT33
$68.27
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