HPI Racing 1459 Crankshaft SG Shaft for Nitro Star F3.5 Engine Sport 3 Parts 5x11x4mm ball bearings

5x11x4mm ball bearings

and the goal is to reduce the sliding friction between the piston and the case wall

Losi Fr/R HD Lightened Outdrive Set (2): TEN

This Losi LOS253005 set includes both front and rear shock shafts and pistons

HPI Racing 1459 Crankshaft SG Shaft for Nitro Star F3.5 Engine Sport 3 Parts 5x11x4mm ball bearingsHPI Racing 1459 Crankshaft SG Shaft for Nitro Star F3. 5 Engine This is a genuine HPI Racing SG type crankshaft for the Nitro Star F3. 5 engine. The crankshaft is the heart of your engine, converting combustion into rotation, so a true, undamaged crank is essential for smooth power. Replacing a worn crankshaft during a rebuild restores factory performance and reliability. This original HPI part fits the F3. 5 exactly as intended. Genuine HPI Racing