The performance-optimised ZR.21 Spec.4 engine stands for an unequalled power delivery, satisfying every demand. This perfect replacement tuning engine for existing .21 RTR engines features a special timing for even more power compared to its forerunner. And the engine still stays super easy to setup.
The perfect entry into the LRP Nitro engine world.
FEATURES
- Replacement tuning engine for existing .21 RTR type engines
- Best value for money
- XTEC PowerCarb3 15S-2 carburettor - Flow optimised carburettor with 9.0mm inlet for maximum power and easy adjustability at the same time
- Universal fit - Fits all major .21 engine mounts
- 3 + 1 Ports
- Standard burn room - Guarantees easy adjustment of the engine in all conditions
- XTEC T6 engine housing - Especially reinforced heavy duty engine housing for toughest offroad action
- Power Start capable - Prepared for the use of the LRP Power Start for starting the engine at the push of one button
