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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1,184-1,207 of 1,808 Results
Needle: 15LA Needle: 15LA
3.4 out of 5 Customer Rating
Needle: 15LA
$9.85
Needle: #60B Needle: #60B
5 out of 5 Customer Rating
Needle: #60B
$14.73
Needle 61H: GT15 Needle 61H: GT15
5 out of 5 Customer Rating
Needle 61H: GT15
$13.78
Pushrod Cover: 120 Surpass Pushrod Cover: 120 Surpass
5 out of 5 Customer Rating
Pushrod Cover: 120 Surpass
$10.90
Piston Pin: GGT10 Piston Pin: GGT10
4.4 out of 5 Customer Rating
Piston Pin: GGT10
$22.30
Piston Ring: FT-120 240 Piston Ring: FT-120 240
4.4 out of 5 Customer Rating
Piston Ring: FT-120 240
$29.60
Piston Ring: GT33 Piston Ring: GT33
4.4 out of 5 Customer Rating
Piston Ring: GT33
$25.44
Spark Plug 1 4-32 RCE: GF30 Spark Plug 1 4-32 RCE: GF30
4.4 out of 5 Customer Rating
Spark Plug 1 4-32 RCE: GF30
$24.44
Propeller Washer: GT33 Propeller Washer: GT33
3.6 out of 5 Customer Rating
Propeller Washer: GT33
$8.52
Ratchet Spring #1A #10 Ratchet Spring #1A #10
4.8 out of 5 Customer Rating
Ratchet Spring #1A #10
$5.99
Piston Ring: 56 FS Piston Ring: 56 FS
3.6 out of 5 Customer Rating
Piston Ring: 56 FS
$29.49
Return Spring: #6H, #7H, #8H Return Spring: #6H, #7H, #8H
5 out of 5 Customer Rating
Return Spring: #6H, #7H, #8H
$4.99
Hex Head Screw 5x60mm (10): GT60 Hex Head Screw 5x60mm (10): GT60
3.6 out of 5 Customer Rating
Hex Head Screw 5x60mm (10): GT60
$15.76
Slide Valve #60U Slide Valve #60U
5 out of 5 Customer Rating
Slide Valve #60U
$29.60
Crankcase: O.S. FS-64V Crankcase: O.S. FS-64V
3.6 out of 5 Customer Rating
Crankcase: O.S. FS-64V
$69.99
Valve Spring Retainer: F20-300 Valve Spring Retainer: F20-300
4.4 out of 5 Customer Rating
Valve Spring Retainer: F20-300
$6.49
Bearing L-1360ZZ Bearing L-1360ZZ
4.4 out of 5 Customer Rating
Bearing L-1360ZZ
$14.99
Pump Plate 1 (PD-09): GF30 II Pump Plate 1 (PD-09): GF30 II
5 out of 5 Customer Rating
Pump Plate 1 (PD-09): GF30 II
$44.30
O.S. MAX FS-52 SURPASS O.S. MAX FS-52 SURPASS
4.8 out of 5 Customer Rating
O.S. MAX FS-52 SURPASS
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Heat Sink Head: 37SZ-H Heat Sink Head: 37SZ-H
4 out of 5 Customer Rating
Heat Sink Head: 37SZ-H
$50.72
Spinner Nut: 20-48 Spinner Nut: 20-48
4 out of 5 Customer Rating
Spinner Nut: 20-48
$11.91
Cam Cover: FS110A Cam Cover: FS110A
5 out of 5 Customer Rating
Cam Cover: FS110A
$10.03
Silencer: F-6010, 200 Surpass Silencer: F-6010, 200 Surpass
4 out of 5 Customer Rating
Silencer: F-6010, 200 Surpass
$87.15
Carburetor Body: 61P, FS110 Alpha Pump Carburetor Body: 61P, FS110 Alpha Pump
5 out of 5 Customer Rating
Carburetor Body: 61P, FS110 Alpha Pump
$87.39
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