COMBO ENGINE VS-B03 & EXHAUST EFRA 2135

Engine VS Racing VS-B03 with exhaust combo Efra 2135. 

The new and exclusive VS Racing VSB03 long stroke .21 off-road engine is based on the very powerful O.S. Speed 21XZ-B specII and is an extraction of the world famous OS Max precision and technology together with some additional 'Rody' touch and development, equipped with a VS Spec combustion chamber with o-ring to protect this area from dirt, a 5-port sleeve and additional DLC coating on the whole crankshaft.  

The VS Racing VSB03 is suited for high competition 1/8scale off-road racing. 

This engine is intended for "EXPIERIENCED" users.  

FEATURES: 

Long Stroke 

Unique and Specific 5-Ports design 

CNC machined flat piston 

14mm turbo crankshaft, balanced, lightened and silicone paste,DLC,'Rody' 

Competition Conrod 

Turbo combustion chamber VS Spec. 

14mm high-speed main bearing 

7mm high-speed front bearing with rubber protection 

VS Spec. lightweight cooling head 

VS Spec. Underhead and additional o-ring 

VS Spec. Crankcase 

VS spec. aluminum lightweight slide carburettor with double adjustment 

6.5mm aluminum restrictor 

This engine is developed to find the best balance between performances/relaiability and costs. 

Tech: 

Type : Off-Road 

Contents : .21(3.49cc) 

Bore : 16.27mm 

Stroke : 16.80mm 

Crankshaft : 14mm SG/SPT (buggy) DLC 

Main-Bearing : 14mm HighSpeed 

Front-Bearing : 7mm HighSpeed  

Cylinder : ABC 

Ports Intake : 5 

Exhaust Port : 1 

Carburator : Neck 15mm VS Spec. 

Cooling-Head : Light Off-Road 

Underhead : VS Spec for conical(Turbo) glowplug. 

RMP : Max Power @ 30K RPM (4-40K RPM range) 

Weight : 355Gr 

Included: Kit Exhaust Efra 2135 by Hipex with L50 Manifold  

The VS EFRA 2135 tuned pipe by Hipex with its suggested manifold L50 

for .21 Off-Road engines 

Suitable for twisty and slower tracks. 

Works great with VS Racing engines and other OS based engines of the latest generation.