BUY $100 GIFT CARD, GET $20 BONUS

HOLIDAY HEADQUARTERS

Shop Our Holiday Gift Guide

HOLIDAY DELIVERY DEADLINES

Last Chance! See Shipping Schedule Here

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.

Filter

913-936 of 1605 Results

    Needle Adj Screw New: #60B

    $7.57

    O-Ring PRC: 120Surpass

    $6.49

    Carburetor 21M2-B: Speed R2101

    $152.36

    Idle Adj Valve STP #6H7L8H

    $6.49

    Clearance Sale!

    Piston: GF30

    $17.36$57.86

    Clearance Sale!

    Clearance Sale!

    Crankshaft: 12XZ Speed Spec II

    $35.99$119.97

    Clearance Sale!

    Cylinder Liner: FS110A

    $49.46

    Clearance Sale!

    Outerhead: 21XR-B Version II

    $24.09$80.29

    Clearance Sale!

    Carburetor Rotor: #11J

    $29.60

    Clearance Sale!

    Rocker Support: FS110A

    $8.88$29.60

    Clearance Sale!

    Pump Unit PD-08: FS-200S-P

    $87.29

    Regulator Assembly: 91HZR

    $124.95

    Clearance Sale!

    Needle Holder FT-120-300

    $3.54$11.80

    Clearance Sale!

    Self-Tapping Screw, 2X12 (10)

    $8.58

    Under Cover: IL-300 Dia-Star

    $16.81

    Clearance Sale!

    Crankshaft: R2101 Speed

    $59.79$199.31

    Clearance Sale!

    Cover Plate Gasket: 75AX

    $6.49

    Rear Bearing: 50SX-H, 55HZ, 55AX

    $34.76

    Crankshaft: 46AX

    $50.72

    M11 Header Pipe Nut: FS070S and FS91S II

    $6.49

    Clearance Sale!

    Front Housing: Sirius 7

    $210.06$519.74

    Clearance Sale!

    Carburetor Body: 18TM

    $46.31

    Carburetor Rotor: 61HB

    $26.24

    Crankcase: O.S. Max .12 TG Version 4

    $54.76

    37

    38

    39

    40

    41