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
  • (1201)
  • (199)
  • (158)
  • (27)
  • (19)
  • (1)
  • (31)
  • (3)
  • (129)
  • (40)
  • (15)
  • (2)
  • (1)
  • (1)
  • (27)
  • (19)
  • (3)
  • (1)
  • (3)
  • (2)
  • (1)
769-792 of 1,605 Results
Fuel Nipple: #20A, B Fuel Nipple: #20A, B
3.1 out of 5 Customer Rating
Fuel Nipple: #20A, B
$10.86
Gasket Set: 25XZ Gasket Set: 25XZ
5 out of 5 Customer Rating
Gasket Set: 25XZ
$7.99
Mixture Control Valve #20K Mixture Control Valve #20K
3.9 out of 5 Customer Rating
Mixture Control Valve #20K
$19.05
Rotor Stop Screw #2FB #2F Rotor Stop Screw #2FB #2F
3.9 out of 5 Customer Rating
Rotor Stop Screw #2FB #2F
$6.45
Slide Valve 22C(B): Speed B2102 Slide Valve 22C(B): Speed B2102
4.7 out of 5 Customer Rating
Slide Valve 22C(B): Speed B2102
$10.08 Price reduced from $33.61 to
Clearance Sale! ⓘ
Crankcase O.S. Speed T1204 Crankcase O.S. Speed T1204
3.5 out of 5 Customer Rating
Crankcase O.S. Speed T1204
$86.74
Outer Head O.S. Speed B21 Adam Drake Edition 3 Outer Head O.S. Speed B21 Adam Drake Edition 3
3.1 out of 5 Customer Rating
Outer Head O.S. Speed B21 Adam Drake Edition 3
$97.99
M2001SC Manifold: 21XZ-R, 21VG M2001SC Manifold: 21XZ-R, 21VG
5 out of 5 Customer Rating
M2001SC Manifold: 21XZ-R, 21VG
$67.39
Cover Plate: 21VG-P Cover Plate: 21VG-P
3.7 out of 5 Customer Rating
Cover Plate: 21VG-P
$13.78
Crankshaft: B2101 Speed Crankshaft: B2101 Speed
4.5 out of 5 Customer Rating
Crankshaft: B2101 Speed
$205.99
O.S. Cylinder Piston Rod Set Speed: T1203 O.S. Cylinder Piston Rod Set Speed: T1203
3.3 out of 5 Customer Rating
O.S. Cylinder Piston Rod Set Speed: T1203
$176.79
Outer Head: R2102 Speed Outer Head: R2102 Speed
5 out of 5 Customer Rating
Outer Head: R2102 Speed
$91.34
Piston Pin: 30VG Piston Pin: 30VG
4.7 out of 5 Customer Rating
Piston Pin: 30VG
$11.91
Carburetor 40L: 55HZ Hyper Carburetor 40L: 55HZ Hyper
4 out of 5 Customer Rating
Carburetor 40L: 55HZ Hyper
$152.36
#7 Glow Plug, Medium Hot Air #7 Glow Plug, Medium Hot Air
5 out of 5 Customer Rating
#7 Glow Plug, Medium Hot Air
$11.99
Breather Nipple: FS-20, 40 Breather Nipple: FS-20, 40
3.4 out of 5 Customer Rating
Breather Nipple: FS-20, 40
$6.49
Cam Follower: FS-61, 48 Surpass Cam Follower: FS-61, 48 Surpass
3.8 out of 5 Customer Rating
Cam Follower: FS-61, 48 Surpass
$17.08
Carburetor Body: 70R, FS155A-P Carburetor Body: 70R, FS155A-P
5 out of 5 Customer Rating
Carburetor Body: 70R, FS155A-P
$97.81
Carburetor Body: #60M Carburetor Body: #60M
3.4 out of 5 Customer Rating
Carburetor Body: #60M
$21.43 Price reduced from $71.43 to
Clearance Sale! ⓘ
Cover Plate: GGT10 Cover Plate: GGT10
3.4 out of 5 Customer Rating
Cover Plate: GGT10
$6.68 Price reduced from $22.26 to
Clearance Sale! ⓘ
Crankcase: 37SZ-H Crankcase: 37SZ-H
5 out of 5 Customer Rating
Crankcase: 37SZ-H
$52.69
Cylinder Head: 56 FS Cylinder Head: 56 FS
5 out of 5 Customer Rating
Cylinder Head: 56 FS
$63.20
Cylinder Jacket: FT-160 Cylinder Jacket: FT-160
4 out of 5 Customer Rating
Cylinder Jacket: FT-160
$70.37
Exhaust Pipe Assembly: T-120 160 Exhaust Pipe Assembly: T-120 160
3.6 out of 5 Customer Rating
Exhaust Pipe Assembly: T-120 160
$22.04
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