O.S. Max .21 VG-P pilot shaft sport engine with pull starter has a 1/4-28 pilot (SG) crankshaft for Centax type clutch. Advanced Bi-metallic liner. This process uses a double layer of plating material rather than one thick layer. This helps metal to bond to cylinders and is more durable. Also, the plating process is more consistent, resulting in a more precise fit between piston and sleeve for better compression, longer life. Pull starter. Two-needle 21F slide valve carburetor. One-piece 8-fin Tornado cylinder head uses standard glow plug. Rear exhaust. Two year limited warranty. This product includes O.S. Max .21 VG-P Pilot Shaft Sport Engine with pull starter, Slide Valve Carburetor, exhaust seal ring, #8 glow plug and instruction manual.

Fuel: Nitro car blend with 10-30% nitro content and at least 16% lubricant. Glow starter and track equipment.