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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217-240 of 1,605 Results
Needle Assembly #7H #7F Needle Assembly #7H #7F
4.4 out of 5 Customer Rating
$22.04
O-Ring IV PRC #6H Rubber O-Ring IV PRC #6H Rubber
5 out of 5 Customer Rating
$6.49
P3 Turbo Glow Plug V-Spec Ultra Hot Off-Road P3 Turbo Glow Plug V-Spec Ultra Hot Off-Road
3.9 out of 5 Customer Rating
$14.99
Ratchet Spring #7H #7D #2K Ratchet Spring #7H #7D #2K
4.1 out of 5 Customer Rating
$6.49
Throttle Lever #1A-#3A Throttle Lever #1A-#3A
4.2 out of 5 Customer Rating
$6.49
Pushrod: 120-240 Pushrod: 120-240
5 out of 5 Customer Rating
$4.20 Price reduced from $9.44 to
Clearance Sale!
O.S. Outer Head Speed B2103 Type R O.S. Outer Head Speed B2103 Type R
5 out of 5 Customer Rating
$30.74 Price reduced from $102.47 to
Clearance Sale!
O.S. Carburetor Body 22E (B) Speed B2103 Type R O.S. Carburetor Body 22E (B) Speed B2103 Type R
5 out of 5 Customer Rating
$26.16 Price reduced from $87.19 to
Clearance Sale!
Cylinder & Piston Assembly: 21TM Cylinder & Piston Assembly: 21TM
5 out of 5 Customer Rating
$122.17
Pushrod Cover: FS-95V Pushrod Cover: FS-95V
5 out of 5 Customer Rating
$5.15 Price reduced from $17.16 to
Clearance Sale!
Standoff 5x44.5mm 1-3/4" (4): GT55 Standoff 5x44.5mm 1-3/4" (4): GT55
4.7 out of 5 Customer Rating
$44.10
Cover Plate: FSa-56II Cover Plate: FSa-56II
4.9 out of 5 Customer Rating
$19.31
TR02 Tuned Silencer EFRA2165 TR02 Tuned Silencer EFRA2165
5 out of 5 Customer Rating
$55.45 Price reduced from $184.82 to
Clearance Sale!
Drive Washer: 91FX Drive Washer: 91FX
5 out of 5 Customer Rating
$16.09
Exhaust Seal O-Ring (2) Exhaust Seal O-Ring (2)
4.7 out of 5 Customer Rating
$13.78
Needle 25 2SX: 61FX Needle 25 2SX: 61FX
3.7 out of 5 Customer Rating
$13.78
Piston Pin Retainer: 61RX SX Piston Pin Retainer: 61RX SX
3.2 out of 5 Customer Rating
$6.45
Rocker Cover, Black: FSa-56II Rocker Cover, Black: FSa-56II
3.3 out of 5 Customer Rating
$5.76 Price reduced from $19.22 to
Clearance Sale!
Needle Valve Assembly 61H: GT15 Needle Valve Assembly 61H: GT15
3.7 out of 5 Customer Rating
$22.04
Cover Plate Assembly: 15LA Cover Plate Assembly: 15LA
4.1 out of 5 Customer Rating
$17.03
Carburetor Body: #60P, FS-91 Surpass II Carburetor Body: #60P, FS-91 Surpass II
5 out of 5 Customer Rating
$44.22
Outer Head: O.S. Speed B2104 Outer Head: O.S. Speed B2104
3.1 out of 5 Customer Rating
$31.02 Price reduced from $103.41 to
Clearance Sale!
Needle #40N Needle #40N
5 out of 5 Customer Rating
$13.78
Mixture Control Valve: 46AXII Mixture Control Valve: 46AXII
4.4 out of 5 Customer Rating
$30.44