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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1,561-1,584 of 1,605 Results
TR02 Tuned Silencer EFRA2165 TR02 Tuned Silencer EFRA2165
5 out of 5 Customer Rating
TR02 Tuned Silencer EFRA2165
$55.45 Price reduced from $184.82 to
Clearance Sale! ⓘ
Crankshaft: 21XZ-B Speed Crankshaft: 21XZ-B Speed
5 out of 5 Customer Rating
Crankshaft: 21XZ-B Speed
$52.49 Price reduced from $174.99 to
Clearance Sale! ⓘ
Outer Head: Speed 21 V-Spec Outer Head: Speed 21 V-Spec
3.4 out of 5 Customer Rating
Outer Head: Speed 21 V-Spec
$42.00 Price reduced from $139.99 to
Clearance Sale! ⓘ
M11 In-Cowl Exhaust Header Pipe Side 60D: FS72A M11 In-Cowl Exhaust Header Pipe Side 60D: FS72A
3.3 out of 5 Customer Rating
M11 In-Cowl Exhaust Header Pipe Side 60D: FS72A
$42.23
Gasket Set: FS-91-P Gasket Set: FS-91-P
5 out of 5 Customer Rating
Gasket Set: FS-91-P
$10.94
Piston Ring: FS72 Alpha Piston Ring: FS72 Alpha
4.1 out of 5 Customer Rating
Piston Ring: FS72 Alpha
$8.85 Price reduced from $29.49 to
Clearance Sale! ⓘ
Crankshaft: 70SZ-H Crankshaft: 70SZ-H
3.3 out of 5 Customer Rating
Crankshaft: 70SZ-H
$20.40 Price reduced from $67.99 to
Clearance Sale! ⓘ
Carburetor: 61B-PII 91HZ-PSII Carburetor: 61B-PII 91HZ-PSII
5 out of 5 Customer Rating
Carburetor: 61B-PII 91HZ-PSII
$86.14 Price reduced from $226.99 to
Clearance Sale! ⓘ
Carburetor Body: 12F2-B, Speed T1202 Carburetor Body: 12F2-B, Speed T1202
4.5 out of 5 Customer Rating
Carburetor Body: 12F2-B, Speed T1202
$15.78 Price reduced from $52.61 to
Clearance Sale! ⓘ
Crankshaft: T1201 Speed Crankshaft: T1201 Speed
5 out of 5 Customer Rating
Crankshaft: T1201 Speed
$39.27 Price reduced from $130.92 to
Clearance Sale! ⓘ
Piston Pin: 28XZ Piston Pin: 28XZ
3.3 out of 5 Customer Rating
Piston Pin: 28XZ
$3.27 Price reduced from $10.90 to
Clearance Sale! ⓘ
Throttle Lever Nut #2CK #2H Throttle Lever Nut #2CK #2H
4 out of 5 Customer Rating
Throttle Lever Nut #2CK #2H
$1.95 Price reduced from $6.49 to
Clearance Sale! ⓘ
Carburetor: GT33 Carburetor: GT33
4.8 out of 5 Customer Rating
Carburetor: GT33
$105.03 Price reduced from $190.20 to
Clearance Sale! ⓘ
Muffler Assembly Screw #E-2030 Muffler Assembly Screw #E-2030
5 out of 5 Customer Rating
Muffler Assembly Screw #E-2030
$2.53 Price reduced from $8.43 to
Clearance Sale! ⓘ
Cam Cover: GF40 Cam Cover: GF40
4.8 out of 5 Customer Rating
Cam Cover: GF40
$5.76 Price reduced from $19.22 to
Clearance Sale! ⓘ
Carburetor Rotor: 61T, FS-62V Carburetor Rotor: 61T, FS-62V
3.6 out of 5 Customer Rating
Carburetor Rotor: 61T, FS-62V
$9.13 Price reduced from $30.44 to
Clearance Sale! ⓘ
Crankshaft: 37SZ-H Crankshaft: 37SZ-H
5 out of 5 Customer Rating
Crankshaft: 37SZ-H
$15.23 Price reduced from $50.76 to
Clearance Sale! ⓘ
Crankshaft: 200 Surpass Crankshaft: 200 Surpass
4 out of 5 Customer Rating
Crankshaft: 200 Surpass
$37.62 Price reduced from $125.39 to
Clearance Sale! ⓘ
Crankshaft: 21XR-B Version II Crankshaft: 21XR-B Version II
4.8 out of 5 Customer Rating
Crankshaft: 21XR-B Version II
$18.83 Price reduced from $62.78 to
Clearance Sale! ⓘ
Head Gasket: 28XZ Head Gasket: 28XZ
3.6 out of 5 Customer Rating
Head Gasket: 28XZ
$2.24 Price reduced from $7.46 to
Clearance Sale! ⓘ
Carburetor #70D: 120AX Carburetor #70D: 120AX
3.3 out of 5 Customer Rating
Carburetor #70D: 120AX
$30.62 Price reduced from $102.08 to
Clearance Sale! ⓘ
Piston Pin: 75AX Piston Pin: 75AX
3.7 out of 5 Customer Rating
Piston Pin: 75AX
$3.57 Price reduced from $11.91 to
Clearance Sale! ⓘ
Dust Cap Set, 10mm (3) Dust Cap Set, 10mm (3)
4.4 out of 5 Customer Rating
Dust Cap Set, 10mm (3)
$2.96 Price reduced from $9.85 to
Clearance Sale! ⓘ
Connecting Rod: 21XR-B Version II Connecting Rod: 21XR-B Version II
4.8 out of 5 Customer Rating
Connecting Rod: 21XR-B Version II
$8.87 Price reduced from $29.56 to
Clearance Sale! ⓘ
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