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You are here: Home > Car/Truck Motors & Accessories > Gas/Nitro Engines > OS Engines
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OS .18CV-RX (S) w/11J Rotary Carb (direct replacement for TRX Pro .15 and RC10GT .15 engines)
Our Price: $129.99

This is the O.S. Max .18CV-RX(S) Engine with 11J rotary carburetor and pull starter. This is good for all ready-to-run 1/10 scale cars & trucks that require a pull-start, side-exhaust power plant. These are especially good for off-road trucks. This engine is a direct fit in vehicles powered by the Traxxas Pro .15 engine.
OS .18TZ-TX w/11L Rotary Carb and Pull-Start
Our Price: $179.99

This is the O.S. Max 18TZ-TX Turbo Engine with Recoil Starter and 11L Rotary Carburetor.
OS .21VZ-R (P) V2 7-Port Racing Engine w/20K Slide Carb
Our Price: $319.98

This is the O.S. Max .21 VZ-R 7-Port Racing Engine Version 2. This engine was created expressly for 1/8 scale on-road competition.
OS .21 VZ-B (P)-T V-Spec w/21C Slide Carb
Our Price: $299.97

This is the O.S. Max .21 VZ-B V-Spec-T (P) Off-Road 1/8 scale Racing Engine. This is ideal for Mugens, Infernos, and truggies.
Sullivan TigerDrive: 8MM Adapt. Fits most OS Pull-Starts to .21
Our Price: $16.99

This is the Sullivan Heavy Duty TigerDrive 8mm Starter System which fits most OS side-exhaust engines from .12 to .21. This also works on the .18 engine in the Duratrax Nitro Evader.
Sullivan TigerDrive Hex Ball Starting Wand
Our Price: $8.49

This is the Sullivan Heavy Duty TigerDrive 7/32" Starter Wand with Adapter. This is required for the TigerDrive Starting systems.
OS Max .21 TM Engine w/Manifold for T-Maxx 2.5 & 3.3
Our Price: $299.97

This is the O.S. Max 21TM Engine with the T-Maxx Manifold. This is a direct fit for the Traxxas T-Maxx 2.5 and 3.3 monster trucks. The .21TM is designed to be used with either the EZ-Start system or the Traxxas pull-start without modification. This engine comes with a two-year limited warranty.
OS Max .21 TM Engine w/Manifold for Revo 2.5 & 3.3
Our Price: $299.97

This is the O.S. Max 21TM Engine with the Revo Manifold. This is a direct fit for the Traxxas Revo 2.5 and 3.3 monster trucks. The .21TM is designed to be used with either the EZ-Start system or the Traxxas pull-start without modification. This engine comes with a two-year limited warranty.