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O.S. SPEED and Adam Drake have actually teamed up as soon as again to bring you the New Adam Drake B21(AD3) edition engine!
Adam Drake is a multi 1/8th Scale holler National Champ who is popular for his substantial knowledge of Nitro racing engines that covers over 25 years. The O.S. Speed B21AD3 engine has numerous updates from champion Adam Drake. Based off the B21AD2, the new features of the AD3 consist of a boost bypass processing for the crankcase that increases throttle response, assists the engine run smoother and makes it much easier to drive. The new AD3 signature cooling head is anodized black and has blue external rings that compliments Adam's unique style.
The AD3 cooling head is 14g lighter and lower profile to help lower the center of gravity and enhance driving efficiency. The inner head uses a new black O-ring to reduce vibration and enhance dust resistance. The new backplate has an integrated thrust plate to reduce friction between the connecting rod and the backplate making the engine more long lasting and will increase engine life. The AD3 comes with two various carburetor restrictors, 6.5mm for Buggy and 7.5mm for Truggy.
You can buy the AD3 as engine just or the AD3 engine combo set. It's an excellent choice for both buggy and truggy racing as it provides a direct power band, exceptional fuel mileage and tons of total power.
Collaboration with O.S. worldwide group chauffeur ADAM DRAKE, a several holler champion.
By embracing a boost bypass processing for the crankcase, the engine runs more smoothly.
ADAM DRAKE's image color, blue anodized aluminum is applied to the cutting part of the new external head, and two-color anodized aluminum with new design is used to reduce weight and lower the center of gravity and enhance driving efficiency.
In addition, by embracing a cover plate with a built in thrust plate, wear due to disturbance between the connecting rod and the cover plate during rotation is minimized and engine life is improved.
The inner head uses an O-ring to reduce vibration and enhance dust resistance.
Blue anodized restrictors, 6.5mm for buggy and 7.5mm for truggy comes standard.
YOKTR-62
