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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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625-648 of 1605 Results

    Valve Intake: FS-120 Surpass

    $37.80

    Locknut Set: FS-120 Surpass

    $26.24

    Silencer Set: F6040, GF40

    $97.82

    Silencer: F-4020, 56FS

    $48.51

    Breather Nipple: 120-300

    $6.49

    Camshaft: FS-120 Surpass

    $60.72

    Camshaft Gear: FR5-300

    $44.13

    Clearance Sale!

    Carburetor Insert: 80T, Sirius 7

    $4.15$13.83

    Clearance Sale!

    Starting Shaft: 18TM

    $17.01

    Speed Flywheel Key

    $36.84

    Inner Head O.S.Speed B21 Adam Drake II

    $57.75

    Pre-Order

    Thrust Plate: O.S. Speed B2104

    $9.53

    Carburetor Reducer 6mm: Speed 21 V-Spec II

    $20.05

    Clearance Sale!

    Carburetor Body: 22B, 21XR-B

    $18.95$63.18

    Clearance Sale!

    Crankcase: R21

    $119.70

    Outer Head: B2101 Speed

    $108.03

    Clearance Sale!

    Mixture Control Valve: 12F2

    $5.15$17.16

    Clearance Sale!

    Needle Metering 21M: 21XZ-R VII

    $17.99

    O.S. Carburetor 22E (B) Without Reducer Type R

    $162.83

    M2000SC 75mm Exhaust Manifold

    $63.18

    O.S. Cover Plate Speed B2103 Type R & Type S

    $25.40

    Crankcase: 21XZ-R Speed

    $157.24

    Clearance Sale!

    Crankshaft: 19XZ-B Speed

    $52.61$175.75

    Clearance Sale!

    Outer Head O.S. Speed T1204

    $89.99

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