5404 TRX 3.3 Engine, IPS shaft without starter

For use in all Traxxas TRX 2.5 and TRX 3.3 equipped vehicles with flywheel access. 

Requires use of an electric bump starter or starter box. Does not accept a pull start or the Traxxas EZ-Start system.





Extreme power output 
60% more peak horsepower than the TRX 2.5 
Nearly 50% more total power under the curve 
Consistent and smooth throughout the entire power band 
Straight-through exhaust flow 
TRX composite slide carburetor 
Push-button EZ-Start® electric starting system 
TRX IPS crankshaft 
Knife-edged connecting rod 
Long rod design 
Offset wrist pin 
Smooth tubular header 
Large aluminum blue-anodized cooling head 
Molded head protector protects the cooling head from damage 
Head protector is securely fastened with screws 
High-volume air filter does not restrict air intake 
O-ring exhaust gasket 
Super-light piston and rod 
Square reciprocal geometry 
High-performance ball bearings 
100% drop-in compatibility with TRX 2.5 equipped models