The New STS .28 Pro 5 Port Engine!

STS has shipped the new 5 port .28 Pro Engine and we've got it. Designed specially for the competition truggy racer, this engine come with a newly designed porting system for maximum power band performance. To reduce weight, the new .28 Pro engine comes with the standard backplate only for the bump start. If your serious about walking away from the rest of the field, then you need to try the new .28 Pro engine.

Specifications

D28Pro (#2809)
Professional Truggy Engine
Type : rear exhaust without pull-start
Cylinder Contents : 4.66cc
Bore : 18.80mm / Stroke:16.80mm
Crankshaft : 14mm SG type
Carburetor : 2 Needles Slide 9 mm
Piston / Sleeve : ABC 5P
Glow-plug : Standard