Filter Store Location

Filter by Category

Product Status
  • In Stock (52)
Filter Brands
  • Boca Bearings (4)
  • Novarossi (1)
  • O.S. (391)
  • ProTek RC (9)
  • TKO (2)
Shop for O.S. Engines at HobbyTown
Search within O.S. Engines ...
Filter by brand
Go
Go
Sort By:
List | Grid
Prev ... 1 2 3 4 5 ...
Showing 1 to 40 of 407 Products
O.S. P3 Samurai 321B Turbo Glow Plug (Ultra Hot) by ProTek RC
O.S. P3 Samurai 321B Turbo Glow Plug (Ultra Hot) by ProTek RC (2)
$7.99
Add To Cart
14x25.4x6mm Ceramic MX-Speed Rear Engine Bearing by ProTek RC
14x25.4x6mm Ceramic MX-Speed Rear Engine Bearing by ProTek RC (1)
$21.49
Add To Cart
Samurai 321B Complete Piston/Sleeve/Rod Assembly by ProTek RC
Samurai 321B Complete Piston/Sleeve/Rod Assembly by ProTek RC
$139.99
Add To Cart
7x19x6mm Speed Ceramic Front Engine Bearing by ProTek RC
7x19x6mm Speed Ceramic Front Engine Bearing by ProTek RC (4)
$13.99
Add To Cart
Speed 21XZ-B Spec II Complete Piston/Sleeve/Rod Assembly by O.S.
Speed 21XZ-B Spec II Complete Piston/Sleeve/Rod Assembly by O.S.
$229.99
Add To Cart
B2101 & B2102 Speed Complete Piston, Sleeve & Rod Assembly by O.S.
B2101 & B2102 Speed Complete Piston, Sleeve & Rod Assembly by O.S.
$219.99
Add To Cart
Crankshaft Rear Bearing (Speed .21) by O.S.
Crankshaft Rear Bearing (Speed .21) by O.S.
$109.99
Add To Cart
.21TM T-Maxx Manifold ABC 11K Slide Carb by O.S.
.21TM T-Maxx Manifold ABC 11K Slide Carb by O.S.
Arriving Wednesday, October 10 2018
$279.99
Add To Cart
Ships in 4 to 5 days
Complete Piston/Sleeve/Rod Assembly (Speed .21) by O.S.
Complete Piston/Sleeve/Rod Assembly (Speed .21) by O.S. (1)
$199.99
Add To Cart
Ships in 4 to 5 days
Cylinder Assembly Rebuild Kit 21XZ-R Speed by O.S.
Cylinder Assembly Rebuild Kit 21XZ-R Speed by O.S.
$249.99
Add To Cart
Ships in 4 to 5 days
.12/.21 Induction Silencer On-Road Air Filter System by O.S.
.12/.21 Induction Silencer On-Road Air Filter System by O.S.
Arriving Sunday, November 4 2018
$39.99
Back Order
Available In Stores
Recoil/Pull Starter Body (21VG / 30VG) by O.S.
Recoil/Pull Starter Body (21VG / 30VG) by O.S.
Arriving Sunday, November 4 2018
$21.99
Back Order
Available In Stores
Front Bearing by O.S.
Front Bearing by O.S.
$26.99
Add To Cart
Ceramic 14x25.4x6mm Rear Engine Bearing (OS V-Spec, Novarossi, RB) (1) by TKO
Ceramic 14x25.4x6mm Rear Engine Bearing (OS V-Spec, Novarossi, RB) (1) by TKO (6)
$24.99
Add To Cart
Ceramic 7x19x6mm Front Engine Bearing (O.S., Novarossi, RB) (1) by TKO
Ceramic 7x19x6mm Front Engine Bearing (O.S., Novarossi, RB) (1) by TKO (14)
$17.99
Add To Cart
Connecting Rod Speed B2101 B2102 by O.S.
Connecting Rod Speed B2101 B2102 by O.S.
Arriving Sunday, November 4 2018
(1)
$47.99
Back Order
Available In Stores
.21 Manifold Gaskets (2) by O.S.
.21 Manifold Gaskets (2) by O.S. (1)
$11.99
Add To Cart
7x19x6mm front bearing (O.S., Novarossi, RB) by Boca Bearings
7x19x6mm front bearing (O.S., Novarossi, RB) by Boca Bearings (3)
$15.25
Add To Cart
Cylinder Rebuild Kit Speec 21XZ-B Spec III by O.S.
Cylinder Rebuild Kit Speec 21XZ-B Spec III by O.S.
Arriving Sunday, November 4 2018
$199.99
Back Order
14x25.4x6mm MX-Speed Rear Engine Bearing by ProTek RC
14x25.4x6mm MX-Speed Rear Engine Bearing by ProTek RC (1)
$12.99
Add To Cart
Engines Rear Bearing by O.S.
Engines Rear Bearing by O.S.
$57.99
Add To Cart
7x19x6mm "Speed" Front Engine Bearing (Samurai, O.S., Novarossi, RB) by ProTek RC
7x19x6mm "Speed" Front Engine Bearing (Samurai, O.S., Novarossi, RB) by ProTek RC (2)
$9.59
Add To Cart
Speed 21J Carburetor by O.S.
Speed 21J Carburetor by O.S.
Arriving Tuesday, October 2 2018
$169.99
Add To Cart
Ships in 4 to 5 days
Small Carburetor O-Ring #2K/#2SB by O.S.
Small Carburetor O-Ring #2K/#2SB by O.S.
$4.49
Add To Cart
Samurai 321B "LRT" Complete Carburetor by ProTek RC
Samurai 321B "LRT" Complete Carburetor by ProTek RC
$119.99
Add To Cart
Connecting Rod (.21 VZ-B V-Spec) by O.S.
Connecting Rod (.21 VZ-B V-Spec) by O.S.
Arriving Sunday, November 4 2018
$43.99
Back Order
Available In Stores
Speed 21XZ-B Spec II Piston & Sleeve Assembly by O.S.
Speed 21XZ-B Spec II Piston & Sleeve Assembly by O.S.
Arriving Sunday, November 4 2018
$184.99
Back Order
7x19x6mm Samurai 321B Front Bearing by ProTek RC
7x19x6mm Samurai 321B Front Bearing by ProTek RC
$19.99
Add To Cart
21J(B) Carburetor by O.S.
21J(B) Carburetor by O.S.
$159.99
Add To Cart
Large Carburetor O-Ring by O.S.
Large Carburetor O-Ring by O.S.
$4.49
Add To Cart
Piston & Sleeve (21XZ-B) by O.S.
Piston & Sleeve (21XZ-B) by O.S.
$159.99
Add To Cart
Samurai 321B Complete Carburetor by ProTek RC
Samurai 321B Complete Carburetor by ProTek RC
$119.99
Add To Cart
7x19x6mm Crankshaft Front Bearing by O.S.
7x19x6mm Crankshaft Front Bearing by O.S.
$24.99
Add To Cart
Dust Cover #21E (Black) by O.S.
Dust Cover #21E (Black) by O.S.
$8.99
Add To Cart
Limited Quantities Available.
Engines Connecting Rod by O.S.
Engines Connecting Rod by O.S.
$43.99
Add To Cart
14x25.4x6mm Ceramic Rear Bearing (OS V-Spec, Novarossi, RB) by Boca Bearings
14x25.4x6mm Ceramic Rear Bearing (OS V-Spec, Novarossi, RB) by Boca Bearings
$43.99
Add To Cart
Cylinder & Piston (21XZ-B Speed) by O.S.
Cylinder & Piston (21XZ-B Speed) by O.S.
$174.99
Add To Cart
Connecting Rod R2102 Speed 21XZ-GT by O.S.
Connecting Rod R2102 Speed 21XZ-GT by O.S.
Arriving Sunday, November 4 2018
$47.99
Back Order
Available In Stores
Speed 21XZ-B Spec II Crankshaft by O.S.
Speed 21XZ-B Spec II Crankshaft by O.S.
$184.99
Add To Cart
Ships in 4 to 5 days
14x25.4x6mm Rear Bearing (OS V-Spec, Novarossi, RB) by Boca Bearings
14x25.4x6mm Rear Bearing (OS V-Spec, Novarossi, RB) by Boca Bearings
$22.49
Add To Cart
Prev ... 1 2 3 4 5 ...