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BUY $100 GIFT CARD, GET $20 BONUS

HOLIDAY HEADQUARTERS

Shop Our Holiday Gift Guide

HOLIDAY DELIVERY DEADLINES

Last Chance! See Shipping Schedule Here

O.S. Engines

O.S. Engines

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

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505-528 of 1605 Results

    Gasket Carburetor: GF40

    $11.91

    Valve Intake: FS-91 Surpass

    $34.86

    Clearance Sale!

    Rocker Arm: FS-62V

    $7.63$25.44

    Clearance Sale!

    Valve: FS-40 48Surpass

    $21.10

    Clearance Sale!

    Piston: FS155A-P

    $17.39$57.96

    Clearance Sale!

    Drive Spacer: GT60

    $38.03

    Valve Spring Retainer: FS-70SII

    $6.49

    Cylinder & Piston B2101 Speed

    $193.68

    Muffler Assembly Screw: F6020 FS155A-P

    $9.85

    Clearance Sale!

    Pushrod Cover: FT-120-240

    $4.58$9.44

    Clearance Sale!

    Carb Reducer 7.5mm, Blue

    $20.99

    Clearance Sale!

    Carburetor Rotor: 37SZ-H

    $7.87$26.24

    Clearance Sale!

    Carburetor Rotor: 61G, 91HZ-R, Speed 3D

    $52.52

    Crankcase: 35AX

    $48.51

    Drive Washer: 65AX

    $13.78

    Outer Head: 12XZ Speed Spec 3

    $92.99

    Exhaust Header Pipe Assembly: F6020 FS155A-P

    $25.29

    Pump Unit (PD-09): GF30 II

    $109.26

    Carburetor Rotor: #40E

    $22.99

    Insulator, 60K

    $19.05

    Cylinder/Piston/Rod: T1201 Speed

    $193.94

    Carburetor Reducer 8.5mm, Purple: 21M

    $21.10

    Thermo Insulator: 21B, 40E, 70C Carb

    $17.99

    Main Shaft Stopper SET: OMA-50

    $7.99

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