O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.

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1,125-1,148 of 1,605 Results

Connecting Rod O.S. Speed R21

$59.99

Intake Manifold Gasket 200 Surpass

$7.46

Spinner Nut: 10FP, FSR

$9.49

Rear Bearing: GT55

$6.29 ~~Price reduced from $20.99 to~~

Clearance Sale! ⓘ

Camshaft: FS-40, 48 Surpass

$41.94

Connecting Rod: 95AX

$29.60

Control Arm: #9B

$14.73

Crankcase: 120 Surpass

$162.87

Drive Hub: 35AX

$13.83

Drive Shaft Spacer: Sirius 7

$2.80 ~~Price reduced from $9.44 to~~

Clearance Sale! ⓘ

Drive Washer: FS-48 Surpass

$13.75

Intake Pipe Assembly: FS-120 SP

$36.99

Silencer Assembly Screw: 56 FS

$8.43

Mufler Body F6020: FS155A-P

$70.40

Muffler Assembly Screw #843 #892

$8.43

O-Ring Muffler Gasket F6020: FS155A-P

$8.49

O-Ring Large: FS90IIS

$6.49

Pushrod: GF30

$7.87 ~~Price reduced from $26.24 to~~

Clearance Sale! ⓘ

Needle Assembly #7M #7L

$22.04

Rocker Cover Gasket: 200 Surpass

$6.49

Screw Set (12): FS-26 Surpass

$9.46

Drive Washer: 120AX

$8.19 ~~Price reduced from $27.29 to~~

Clearance Sale! ⓘ

Woodruff Key: 30Wankel

$6.49

Main Shaft: 3820-960

$8.99