RB Speed 21 nitro on-road engine
Made for competition 1/8th on-road racing is RB’s new Speed 21 engine. Offering a 7+2 port design, 14mm crankshaft and a reinforced crankcase the long stroke engine also comes with a light yet strong competition conrod and turbo combustion camber insert. Other features include an 8mm nylon carburettor and a balanced 14mm bi-turbo crankshaft. New for 2014 is a redesigned orange anodized cooling head and the engine is available separately or including an EFRA 2092 in-line exhaust.
Source: RB [rbproducts.com]