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O.S. Products

Explore the wide selection of O.S. Engine products available at AMainHobbies.com today! You'll find a variety of engines, parts and more!
Popular Products by O.S.
Speed B2101 "Las Vegas Edition" .21 Off-Road Buggy Engine
$499.99
Speed B2101 "Las Vegas Edition" .21 Off-Road Buggy Engine
Speed R2102 Competition .21 On-Road Engine
$449.99
Speed R2102 Competition .21 On-Road Engine
.28XZ Competition Truggy Engine (Turbo Plug)
$329.99
.28XZ Competition Truggy Engine (Turbo Plug)
(27)
.21 TM Monster Truck Engine with Revo/Slayer Manifold
$269.99
.21 TM Monster Truck Engine with Revo/Slayer Manifold
(6)
21XZ-B VII Off-Road Competition Buggy Engine
$319.99
21XZ-B VII Off-Road Competition Buggy Engine
(2)
P3 Turbo Glow Plug "Ultra Hot"
$8.99
P3 Turbo Glow Plug "Ultra Hot"
(1)
Max 105HZ-R DRS Helicopter Engine
$529.99
Max 105HZ-R DRS Helicopter Engine
Max .46AXII ABL Airplane Engine w/Muffler
$149.99
Max .46AXII ABL Airplane Engine w/Muffler
.50 SX-H Hyper Ringed Competition Helicopter Engine
$219.99
.50 SX-H Hyper Ringed Competition Helicopter Engine
T-2090SC One Piece Tuned Pipe w/Manifold (Welded Nipple)
$189.99
T-2090SC One Piece Tuned Pipe w/Manifold (Welded Nipple)
.55 HZ-H Hyper Ringed Competition Helicopter Engine
$299.99
.55 HZ-H Hyper Ringed Competition Helicopter Engine
(3)
T-2060SC WN One Piece Tuned Pipe w/Manifold (Welded Nipple)
$129.99
T-2060SC WN One Piece Tuned Pipe w/Manifold (Welded Nipple)
No.8 Short Body Standard Glow Plug "Medium"
$6.99
No.8 Short Body Standard Glow Plug "Medium"
(2)
30VG (P) ES Electric Start
$249.99
30VG (P) ES Electric Start
(7)
Speed R2101 Competition On-Road Engine
$499.99
Speed R2101 Competition On-Road Engine
.55 HZ-R DRS Ringed Competition Helicopter Engine
$399.99
.55 HZ-R DRS Ringed Competition Helicopter Engine
(1)
.21XM VII Air Cooled Outboard Marine Engine w/20J Carburetor
$399.99
.21XM VII Air Cooled Outboard Marine Engine w/20J Carburetor
P4 Turbo Glow Plug "Super Hot"
$7.99
P4 Turbo Glow Plug "Super Hot"
.12/.21 Induction Silencer On-Road Air Filter System
$31.99
.12/.21 Induction Silencer On-Road Air Filter System
Speed 21XZ-B Spec II Complete Piston/Sleeve/Rod Assembly
$219.99
Speed 21XZ-B Spec II Complete Piston/Sleeve/Rod Assembly
Complete Piston/Sleeve/Rod Assembly (Speed .21)
$179.99
Complete Piston/Sleeve/Rod Assembly (Speed .21)
(1)
Max 105HZ Helicopter Engine
$479.99
Max 105HZ Helicopter Engine
PowerBoost 105HZ Helicopter Pipe
$269.99
PowerBoost 105HZ Helicopter Pipe
Glow Plug Wrench w/Plug Grip
$13.99
Glow Plug Wrench w/Plug Grip
(7)
No.6 Short Body Standard Glow Plug "Hot"
$5.99
No.6 Short Body Standard Glow Plug "Hot"
Speed 21XZ-B Spec II Connecting Rod
$45.99
Speed 21XZ-B Spec II Connecting Rod
B2101 Speed Complete Piston, Sleeve & Rod Assembly
$209.99
B2101 Speed Complete Piston, Sleeve & Rod Assembly
Connecting Rod (Speed .21)
$46.99
Connecting Rod (Speed .21)
Crankshaft Rear Bearing (Speed .21)
$88.99
Crankshaft Rear Bearing (Speed .21)
T-2090SC One Piece Tuned Pipe (No Manifold) (Welded Nipple)
$149.99
T-2090SC One Piece Tuned Pipe (No Manifold) (Welded Nipple)
15LA .15 Glow Engine w/Muffler
$79.99
15LA .15 Glow Engine w/Muffler
Front Bearing
$22.99
Front Bearing
.21 Manifold Gaskets (2)
$11.99
.21 Manifold Gaskets (2)
(1)
No.7 Short Body Standard Glow Plug "Medium Hot"
$5.49
No.7 Short Body Standard Glow Plug "Medium Hot"
(1)
Engines Piston Ring
$21.49
Engines Piston Ring
Engines Front Bearing (.40-2.40)
$18.75
Engines Front Bearing (.40-2.40)