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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645-668 of 1,605 Results
Connecting Rod: 35-40FP, 40 LA Connecting Rod: 35-40FP, 40 LA
4.7 out of 5 Customer Rating
Connecting Rod: 35-40FP, 40 LA
$21.10
Crankshaft: 15LA Crankshaft: 15LA
5 out of 5 Customer Rating
Crankshaft: 15LA
$23.22
Crankshaft: 120AX Crankshaft: 120AX
4.1 out of 5 Customer Rating
Crankshaft: 120AX
$80.37
Cylinder Head: 65AX Cylinder Head: 65AX
5 out of 5 Customer Rating
Cylinder Head: 65AX
$44.22
Cylinder Head: FT-160 Cylinder Head: FT-160
4.5 out of 5 Customer Rating
Cylinder Head: FT-160
$87.19
Cylinder Head: FF-320 Cylinder Head: FF-320
5 out of 5 Customer Rating
Cylinder Head: FF-320
$76.85
Cylinder Head & Valve: FT-300 Cylinder Head & Valve: FT-300
4.5 out of 5 Customer Rating
Cylinder Head & Valve: FT-300
$190.99
Cylinder Liner: FS-62V Cylinder Liner: FS-62V
5 out of 5 Customer Rating
Cylinder Liner: FS-62V
$35.47
Cylinder Liner: 95AX Cylinder Liner: 95AX
4.1 out of 5 Customer Rating
Cylinder Liner: 95AX
$88.92
Bubbleless Clunk Bubbleless Clunk
3.3 out of 5 Customer Rating
Bubbleless Clunk
$21.04
Carburetor Gasket: 200 Surpass Carburetor Gasket: 200 Surpass
4.1 out of 5 Customer Rating
Carburetor Gasket: 200 Surpass
$7.46
Carburetor Reed Valve Gasket: GT33 Carburetor Reed Valve Gasket: GT33
4.1 out of 5 Customer Rating
Carburetor Reed Valve Gasket: GT33
$3.28 Price reduced from $10.94 to
Clearance Sale! ⓘ
Gear Holder Screw: 30 Wankel Rotary Gear Holder Screw: 30 Wankel Rotary
4.7 out of 5 Customer Rating
Gear Holder Screw: 30 Wankel Rotary
$8.43
Intake Manifold Set: Sirius 7 Intake Manifold Set: Sirius 7
3.9 out of 5 Customer Rating
Intake Manifold Set: Sirius 7
$8.84 Price reduced from $29.48 to
Clearance Sale! ⓘ
Intake Manifold: FS-62V Intake Manifold: FS-62V
3.3 out of 5 Customer Rating
Intake Manifold: FS-62V
$5.74 Price reduced from $19.14 to
Clearance Sale! ⓘ
O-Ring PRC: 120Surpass O-Ring PRC: 120Surpass
4.7 out of 5 Customer Rating
O-Ring PRC: 120Surpass
$6.49
Piston Pin Retainer: 81VR-M Piston Pin Retainer: 81VR-M
3.9 out of 5 Customer Rating
Piston Pin Retainer: 81VR-M
$6.49
Piston Pin Retainer: GT33 Piston Pin Retainer: GT33
5 out of 5 Customer Rating
Piston Pin Retainer: GT33
$7.46
Piston: GT22 Piston: GT22
4.1 out of 5 Customer Rating
Piston: GT22
$63.22
Piston Pin: 32SX-H Piston Pin: 32SX-H
3.9 out of 5 Customer Rating
Piston Pin: 32SX-H
$11.91
Piston Pin: 60-61FSR SX Piston Pin: 60-61FSR SX
4.1 out of 5 Customer Rating
Piston Pin: 60-61FSR SX
$9.85
Pushrods: 56FS-a Pushrods: 56FS-a
3.7 out of 5 Customer Rating
Pushrods: 56FS-a
$2.80 Price reduced from $9.49 to
Clearance Sale! ⓘ
Rocker Cover, Black: FSa-56II Rocker Cover, Black: FSa-56II
3.3 out of 5 Customer Rating
Rocker Cover, Black: FSa-56II
$5.76 Price reduced from $19.22 to
Clearance Sale! ⓘ
Screw Set (12): 108FSR Screw Set (12): 108FSR
4.3 out of 5 Customer Rating
Screw Set (12): 108FSR
$17.16
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