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HOLIDAY HEADQUARTERS

Shop Our Holiday Gift Guide

NEW & IN STOCK

Hot Releases Ready To Ship Out

HOLIDAY DELIVERY DEADLINES

Last chance! FedEx 2-Day & Overnight only. Learn More

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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697-720 of 1605 Results

    Carburetor 21M2-B: Speed R2101

    $152.36

    Clearance Sale!

    Carburetor Body: #21C

    $24.00$79.99

    Clearance Sale!

    Crankcase: R21

    $136.57

    Clearance Sale!

    Crankshaft: 12XZ Speed Spec II

    $35.99$119.97

    Clearance Sale!

    Crankshaft: 28XZ

    $131.09

    Inner Head: 21XZ-R Speed

    $57.96

    Carburetor Reducer 8mm, Red: Speed 21 V-Spec

    $21.10

    RP8 Turbo Glow Plug, On-Road, Cold

    $15.99

    Clearance Sale!

    M1006SC Manifold

    $21.48$71.60

    Clearance Sale!

    Rear Bearing: 12TR

    $61.99

    O.S. Pistion Pin: .12XZ

    $8.99

    Crankshaft: 21XZ-R

    $144.99

    Clearance Sale!

    Outer Head: Speed 21 V-Spec

    $42.00$139.99

    Clearance Sale!

    Mixture Control Valve 18TM

    $14.73

    Metering Needle Assembly: 30VG

    $19.14

    Clearance Sale!

    Carburetor 80T: Sirius 7

    $52.52$125.08

    Clearance Sale!

    E4050 In-Cowl Muffler: 65AX

    $67.33

    Locknut Set: FT, FR5

    $41.12

    Clearance Sale!

    Cam Cover: 56 FS

    $3.57$11.91

    Clearance Sale!

    Camshaft Bearing: F 120-300

    $22.37

    Clearance Sale!

    Carburetor Body: 37SZ-H

    $12.04$40.12

    Clearance Sale!

    Clearance Sale!

    Crankcase: GF30

    $48.89$162.95

    Clearance Sale!

    Cylinder & Piston: 65AX

    $138.26

    Cylinder Head with Valve: FS-40 Surpass

    $87.39

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