.21 On Road - iRacing X04 9 Port on road DLC Engine

iRacing X04 9 Port On/Road DLC .21 Engine

This is the new iRacing X04 .21 On-Road engine, based on the renowned O.S. R2104 engine. This high-performance engine features a Long Life DLC treatment for exceptional durability and reliability.

FEATURES

Crankcase

The redesigned crankshaft improves engine balance, reducing vibrations caused by rotating and alternating masses. It is enhanced with a special "Long Life DLC" treatment for extended performance.

Cooling head

A lightweight cooling head is precision-drilled to reduce weight and finished in an elegant silver color.

Rear Ball Bearing

Equipped with a high-quality steel rear ball bearing from O.S. for superior performance.

9 Ports ABC Piston Sleeve

The 9-port piston liner enhances torque in the low-to-mid power range, delivering exceptional power for high-traction tracks.

TURBO Crankshaft 

The redesigned crankshaft counterweight ensures a smooth power transition from low to high RPM.

Inner Head

A silicon O-ring seals the inner head, preventing dust and debris from entering the engine, ensuring consistent reliability.

Technical Data

Displacement : 3.49 cc 
Power: 2.76HP R.P.M. 35.000 Rpm
Bore : 16.08 mm 
Stroke : 17.20 mm 
Ports : 9 
Crankshaft :  14.0 mm Turbo Tuned
carburettor :  8.5mm metal + reducer 
Glow Plug : Turbo 
Main Bearing : High Speed