Axial Spec 2s .28 Cubic Inch Big Block Engine

The 28 Spec 2s is a .28 cubic inch big block engine.  Replacing the original Spec 1S, the Axial .28 Spec 2S features a larger machined billet aluminium heat-sink head for increased surface area and cooling, adjusted timing for increased RPM (37,500 vs. 36,000) and a three needle slide carburettor  that includes 8.0, 8.5, & 9.0mm venturis.

Features

• Dual bushing aluminium connecting rod
• True ABC chrome sleeve construction for durability.
• Easy to tune carburettor
• Standard long glow plug
• Pull starter
• Axial green heat-sink head

Specifications

• Size: .28 cubic inch/4.6ccm
• Maximum RPM: 37,500 RPM
• Bore: 18.6mm
• Stroke: 16.9mm

AX0320          Axial Spec 2s .28 Cubic Inch Big Block Engine

 

Source: Robitronic