O.S. Engines

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Quality and performance has made O.S. the standard in RC engines for over 80 years.
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669-692 of 1,605 Results
Thrust Washer Rear 30Wankel Thrust Washer Rear 30Wankel
5 out of 5 Customer Rating
Thrust Washer Rear 30Wankel
$6.49
Valve: FS-62V Valve: FS-62V
3.3 out of 5 Customer Rating
Valve: FS-62V
$21.17
Valve Spring Retainer: 90-300 Valve Spring Retainer: 90-300
5 out of 5 Customer Rating
Valve Spring Retainer: 90-300
$6.49
Valve Spring Exhaust: FS-120 Surpass Valve Spring Exhaust: FS-120 Surpass
5 out of 5 Customer Rating
Valve Spring Exhaust: FS-120 Surpass
$6.49
Woodruff Key: 108-300 Woodruff Key: 108-300
5 out of 5 Customer Rating
Woodruff Key: 108-300
$2.55 Price reduced from $8.49 to
Clearance Sale! ⓘ
Motor Mount: OMA-38 Series Motor Mount: OMA-38 Series
4.1 out of 5 Customer Rating
Motor Mount: OMA-38 Series
$15.99
Crankcase: 160FX Crankcase: 160FX
5 out of 5 Customer Rating
Crankcase: 160FX
$152.36
Crankcase: 55AX Crankcase: 55AX
3.3 out of 5 Customer Rating
Crankcase: 55AX
$67.24
Crankcase: 56 FS Crankcase: 56 FS
3.3 out of 5 Customer Rating
Crankcase: 56 FS
$57.96
Cylinder Head: 105HZ Cylinder Head: 105HZ
5 out of 5 Customer Rating
Cylinder Head: 105HZ
$130.89
Cylinder Head: 46AXII Cylinder Head: 46AXII
4.5 out of 5 Customer Rating
Cylinder Head: 46AXII
$25.19
Cylinder Head: 91SX-H Cylinder Head: 91SX-H
3.1 out of 5 Customer Rating
Cylinder Head: 91SX-H
$99.99
Valve Adjustment Kit: 4-Stroke Valve Adjustment Kit: 4-Stroke
5 out of 5 Customer Rating
Valve Adjustment Kit: 4-Stroke
$15.78
Exhaust Pipe: 40-300 Exhaust Pipe: 40-300
5 out of 5 Customer Rating
Exhaust Pipe: 40-300
$11.84
Head Gasket: GT33 Head Gasket: GT33
3.3 out of 5 Customer Rating
Head Gasket: GT33
$14.84
Intake Manifold Assembly: FT-240/300 Intake Manifold Assembly: FT-240/300
5 out of 5 Customer Rating
Intake Manifold Assembly: FT-240/300
$54.99
Locknut Set 3/8M5S Locknut Set 3/8M5S
3.9 out of 5 Customer Rating
Locknut Set 3/8M5S
$26.24
Silencer F-5030: FS81 Alpha Silencer F-5030: FS81 Alpha
5 out of 5 Customer Rating
Silencer F-5030: FS81 Alpha
$57.78
90 Degree Muffler Extension: 120AX 90 Degree Muffler Extension: 120AX
4.3 out of 5 Customer Rating
90 Degree Muffler Extension: 120AX
$34.86
Muffler Screws 10FP FSR (2) Muffler Screws 10FP FSR (2)
5 out of 5 Customer Rating
Muffler Screws 10FP FSR (2)
$6.49
Back Plate Gasket O-Ring: FL70 Back Plate Gasket O-Ring: FL70
3.3 out of 5 Customer Rating
Back Plate Gasket O-Ring: FL70
$6.49
Pushrod Cover: FS-40 Surpass Pushrod Cover: FS-40 Surpass
4.5 out of 5 Customer Rating
Pushrod Cover: FS-40 Surpass
$6.99
PCV Valve Set: GF40 PCV Valve Set: GF40
5 out of 5 Customer Rating
PCV Valve Set: GF40
$4.45 Price reduced from $14.84 to
Clearance Sale! ⓘ
Screw Set (8): 37SZ-H Screw Set (8): 37SZ-H
5 out of 5 Customer Rating
Screw Set (8): 37SZ-H
$2.96 Price reduced from $9.85 to
Clearance Sale! ⓘ
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