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BUY $100 GIFT CARD, GET $20 BONUS

HOLIDAY HEADQUARTERS

Shop Our Holiday Gift Guide

HOLIDAY DELIVERY DEADLINES

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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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1249-1272 of 1605 Results

    Hex Head Screw 5x55mm (10)

    $13.78

    Hex Head Screw 5x60mm (10): GT60

    $15.76

    Screw Set (12): FS-91 Surpass

    $17.08

    Cylinder Head Screws (10): 120AX

    $9.85

    Screw Set (34): FT-120 (34)

    $25.44

    Speed Exhaust Seal Ring (10): B21

    $38.86

    Clearance Sale!

    Slide Valve 12D: 18TM

    $9.77$32.56

    Clearance Sale!

    Clearance Sale!

    Slide Valve Stop Screw #21J

    $3.56$11.87

    Clearance Sale!

    Standoff 5x19.1mm 3/4" (4): GT55

    $31.50

    Standoff 5x38.1mm 1-1/2" (4): GT55

    $42.11

    #5 Recoil Starter Body

    $26.24

    Electronic Ignition Module: GT55

    $303.45

    Universal Nipple #12

    $6.49

    Intake Manifold Assembly: FS-120III

    $34.86

    Thermo Insulator 21J3

    $19.14

    Link Pin E-Ring: Sirius 7

    $6.49

    Clearance Sale!

    Locknut Nozzle #2BK

    $2.59$8.66

    Clearance Sale!

    Locknut Set: BGX 3500

    $26.24

    Manifold Seal: FT-120-300

    $11.84

    Mixture Control Valve #70C: FS120 Surpass II

    $22.26

    Mixture Control Screw: #2F and #2FB

    $9.44

    Intake Pipe Holder Assembly: FR5-300

    $15.99

    Muffler Fixing Screw E-4051: GT15HZ

    $11.80

    Needle Assembly: #61B, 91HZ

    $14.73

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