COMBO ENGINE VS-B04 & EXHAUST EFRA 2146

Engine VS Racing VS-B04 with exhaust combo Efra 2146. 

This Combo includes: 

1ud VS302146 Tuned pipe .21 Off Road VS 2146 

1ud VS30L50 Manifold VS .21 Off Road L50 parabolic 

1ud VSB04 Engine VSB04 1/8 Buggy 

The new and exclusive VS Racing VSB04 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, a rear-cover with "pushplate".  

The VS Racing VSB04 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. rear-cover with 'pushplate' 

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 2146 by Hipex with L50 Manifold