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LAST-MINUTE E-GIFT CARD

Delivered by email. Ready to gift right now.

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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673-696 of 1605 Results

    Clearance Sale!

    Woodruff Key: 108-300

    $2.55$8.49

    Clearance Sale!

    Motor Mount: OMA-38 Series

    $15.99

    Crankcase: 160FX

    $152.36

    Crankcase: 55AX

    $67.24

    Crankcase: 56 FS

    $57.96

    Cylinder Head: 105HZ

    $130.89

    Cylinder Head: 46AXII

    $25.19

    Cylinder Head: 91SX-H

    $99.99

    Valve Adjustment Kit: 4-Stroke

    $15.78

    Exhaust Pipe: 40-300

    $11.84

    Head Gasket: GT33

    $14.84

    Intake Manifold Assembly: FT-240/300

    $54.99

    Locknut Set 3/8M5S

    $26.24

    Silencer F-5030: FS81 Alpha

    $57.78

    90 Degree Muffler Extension: 120AX

    $34.86

    Muffler Screws 10FP FSR (2)

    $6.49

    Back Plate Gasket O-Ring: FL70

    $6.49

    Pushrod Cover: FS-40 Surpass

    $6.99

    Clearance Sale!

    PCV Valve Set: GF40

    $4.45$14.84

    Clearance Sale!

    Clearance Sale!

    Screw Set (8): 37SZ-H

    $2.96$9.85

    Clearance Sale!

    Screw Set (12): FS-120 Surpass

    $17.08

    Bearing R-1350ZZ

    $14.99

    Crankshaft Clamp: GT15, 105, 91 Heli

    $25.44

    M10 In-Cowl Exhaust Header Pipe Inverted 80D: FS56A

    $36.85

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