• Dual ball bearing-supported crankshaft.:
• Schnuerle porting.:
• ABN (Aluminum Brass Nickel) piston/cylinder assembly.:
• Forged aluminum connecting rod with dual bushings.:
• Unique squared cylinder head design has more surface are than most conventional cylinder heads, for cooler runs.:
• Twin-needle carburetor.:

• Displacement: .398 cu in (6.52cc):
• Bore: .8228 (20.9mm):
• Stroke: .7480 (19mm):
• Power Output: 1.22 HP @ 16,000 RPM:
• Maximum RPM range: 2,000 - 17,000:
• Practical RPM range: 2,500 - 14,000:
• Weight (w/muffler): 17.19oz (487g):
• Crankshaft thread size: 1/4-28:
• Crankcase width (for engine mount): 1.36:
• Overall height: 3.4 (87mm):
• Overall width (w/mount flanges): 1.97 (50mm):
• Overall length (backplate to front of drive washer): 3.39 (86mm):
• Recommended prop size: 10x6 (break-in) 10x6 (aerobatic) 11x5, 10x6 (sport and scale)

Engine, expansion-style muffler (with pressure fitting & rotatable outlet), glow plug, wrenches, decals, and instructions.