Hpi N. Star F4.1 Engine Pullstart (Savage X etc.)

Big Block Power for big trucks!The HPI Nitro Star F4.1 is the next evolutionary step up from the pro

Hpi N. Star F4.1 Engine Pullstart (Savage X etc.)

Big Block Power for big trucks!The HPI Nitro Star F4.1 is the next evolutionary step up from the proven HPI Nitro Star S25 engine. It features a new crankcase and upgrades to the cylinder piston connecting rod and crankshaft.The F4.1 engine delivers more power more torque and extra cooling. It is especially design for the high power needs of a big 1/8th scale monster truck!Features: * Rear exhaust * ABC construction * Aggressive porting * Large billet aluminium heatsink * Prep

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