ProTek RC CR21 'Drake-In' 3-Port .21 Off-Road Motor (Turbo Kerze)
Features:
Excellent option for off-road club racing on smaller tracks
Broken in by Adam Drake "Drake-In"
Advanced crankshaft design and lightweight piston deliver smooth crisp power
Black anodized 9-fin cooling head
Includes a ultra hot ProTek P3 turbo glow plug
"Knife Edged" connecting rod decreases reciprocating mass while increasing rpm
3-Needle J3-1 Carburetor allows for precise tuning
Includes 6mm and 7mm carburetor venturis
Specifications:
Displacement: .21ci (3.49cc)
Recommended Application: 1/8 Off-Road
Bore: 0.641in (16.27mm)
Stroke: 0.661in (16.80mm)
Output: 2.41hp @ 33,000RPM (2.45ps)
Porting:
Intake: 2
Exhaust: 1
Practical RPM Range: 4,000-40,000
Weight: 13.43oz (381g