The F4.6 is the powerplant responsible for the immense speeds and raw torque in the Savage X 4.6, and now it's available to fit into any Savage or big-block monster truck! It features all the race tuning you could ever want in a big-block monster truck engine, fantastic good looks and plenty of attitude! With 2.9 horsepower on tap, it really is true that there's no replacement for displacement!Glow Plug: Cold R5 (HPI #1504)Displacement: 4.6ccBore: 18.68mmStroke: 16.6mmPower: 2.9hp @ 32,000RPMCarburettor: F1-7.5 (Composite 7.5mm)With 8-port race tuning, you get a huge powerband through the entire rev range, all the way up to 32,000RPM! The composite 7.5mm carb is heat-resistant for consistent tuning as the engine warms up. The F4.6 will fit right into any Savage or big-block monster truck chassis for smile-induing wheelie action and roost-tossing wheelspins!
