#1406 - NITRO STAR S-25 ENGINE WITH PULLSTART
Composite Slide Carb./Aluminum Heat Sink Head/Rear Exhaust
Standard Parts | Optional Parts
Available now from HPI Racing is our Nitro Star S-25 engine!
This powerful new engine has 20% more displacement than our Nitro
Star 21BB engine!
The Nitro Star S-25 is a .25 cubic inch (4.1cc) big block engine that features a machined billet aluminum heatsink head for extra cooling, dual bushing aluminum connecting rod, true ABC chrome sleeve construction for durability, and a simplified dual needle 7mm slide carburetor for easier tuning with a composite body for better performance at higher temperatures.
Please see our Roto Start Compatibility Guide to find the right Roto Start system for this engine.