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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536-559 of 1,808 Results
Piston Ring: 120AX Piston Ring: 120AX
4.4 out of 5 Customer Rating
Piston Ring: 120AX
$33.61
Piston Ring: FS-95V Piston Ring: FS-95V
5 out of 5 Customer Rating
Piston Ring: FS-95V
$34.76
Prop Washer: GT55 Prop Washer: GT55
4.8 out of 5 Customer Rating
Prop Washer: GT55
$9.85
Regulator Assembly: 91HZR Regulator Assembly: 91HZR
5 out of 5 Customer Rating
Regulator Assembly: 91HZR
$124.95
Rocker Arm: F61-300 Rocker Arm: F61-300
5 out of 5 Customer Rating
Rocker Arm: F61-300
$27.29
Hex Head Screw M3 (10): 91SZ-H Hex Head Screw M3 (10): 91SZ-H
5 out of 5 Customer Rating
Hex Head Screw M3 (10): 91SZ-H
$9.85
Set Screw #2D #4BK-#5B Set Screw #2D #4BK-#5B
3.6 out of 5 Customer Rating
Set Screw #2D #4BK-#5B
$6.49
Tappet Screw: F40-300 Tappet Screw: F40-300
4.6 out of 5 Customer Rating
Tappet Screw: F40-300
$9.46
Cylinder Head: O.S. FS-64V Cylinder Head: O.S. FS-64V
5 out of 5 Customer Rating
Cylinder Head: O.S. FS-64V
$76.99
Valve Spring: FS155A-P Valve Spring: FS155A-P
4.4 out of 5 Customer Rating
Valve Spring: FS155A-P
$6.49
Valve Spring: F90 160 Valve Spring: F90 160
4.8 out of 5 Customer Rating
Valve Spring: F90 160
$6.49
Woodruff Key: 61S RFH Woodruff Key: 61S RFH
5 out of 5 Customer Rating
Woodruff Key: 61S RFH
$7.46
Security Ring: OMA-2810 OMA-2815 Security Ring: OMA-2810 OMA-2815
5 out of 5 Customer Rating
Security Ring: OMA-2810 OMA-2815
$5.99
Inner Head: R2102 Speed Inner Head: R2102 Speed
4 out of 5 Customer Rating
Inner Head: R2102 Speed
$51.64
Mixture Control Screw #10ER Mixture Control Screw #10ER
5 out of 5 Customer Rating
Mixture Control Screw #10ER
$9.85
T-2060 WN Tuned Pipe T-2060 WN Tuned Pipe
4.8 out of 5 Customer Rating
T-2060 WN Tuned Pipe
$142.48
Crankcase: 21TM Crankcase: 21TM
4.2 out of 5 Customer Rating
Crankcase: 21TM
$97.72
Crankshaft: 12XZ Speed Crankshaft: 12XZ Speed
4.4 out of 5 Customer Rating
Crankshaft: 12XZ Speed
$94.99
Crankshaft: T1202 Speed Crankshaft: T1202 Speed
4.8 out of 5 Customer Rating
Crankshaft: T1202 Speed
$125.42
Crankshaft: 21VZ-R Crankshaft: 21VZ-R
4 out of 5 Customer Rating
Crankshaft: 21VZ-R
$109.99
O.S. Crankshaft OS Speed R21GT O.S. Crankshaft OS Speed R21GT
4.8 out of 5 Customer Rating
O.S. Crankshaft OS Speed R21GT
$238.82
Outer Head: B21 Speed Adam Drake Outer Head: B21 Speed Adam Drake
4.4 out of 5 Customer Rating
Outer Head: B21 Speed Adam Drake
$108.03
O.S. Cylinder And Piston Speed: T1203 O.S. Cylinder And Piston Speed: T1203
4.4 out of 5 Customer Rating
O.S. Cylinder And Piston Speed: T1203
$119.99
Outer Head: 21XZ-R VII Outer Head: 21XZ-R VII
5 out of 5 Customer Rating
Outer Head: 21XZ-R VII
$91.32
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