Argus .21 21K4-B Hand Made Nitro Engine 

Hand Made Argus .21 Nitro Engine for 1:8 RC

Suits RC Nitro Trucks and Buggies.

The ARGUS .21 21K4 is a high-performance, nitro-powered competition engine designed for 1/8 scale RC cars (often buggies). Evolved from the highly regarded K53 model, it is prized for providing massive low-end torque and increased fuel efficiency

Specifications & Features
Engine Type: .21 Nitro (glow) engine, ideal for off-road competition.
Upgrades from K53: Features a dynamic equilibrium crankshaft with 2 balancing inserts and a revised liner to improve low-end torque.
Premium Internals: Comes equipped with ceramic bearings and a CNC-machined piston.
Carburetor: 8mm slide carburetor with interchangeable restrictors (6mm, 6.5mm, and 7mm) to fine-tune power delivery.
Plug: Uses a standard T3 turbo glow plug.