Updated LRP ZR.28 SPEC.4 Nitro Engine
New from LRP is an updated version of their ZR.28 SPEC.4 nitro engine. On the new version of the big .28 LRP has seen fit to install a new carburetor for easier adjustment, better idling, and more torque. The engine also sports a new head for improved cooling. Furthermore, the LRP .28 uses compact construction allowing it to be installed into common .21 engine mounts.