Sept 17th -ROAR Off-Road Fuel Monster Truck Nationals -ROAR Paved Oval Nationals Sept 25th -Tamiya TCS North American Finals
> OS .28XZ Engine - Rip it up
Designed for serious racers, this bad boy was built for fine-tuning and significantly increased power.
-The larger head aids in cooling and is a 2-piece construction with inner head button. -A sealed front bearing and high-performance inner bearing are part of the new crankcase design. -The high-performance con rod features oiled bushings while the three needles enhance fine-tuning on the 21J slide-valve carb. -A high-performance P3 hot turbo plug is included. -The Mark Pavidas Edition Tuned Pipe is the perfect accessory for the .28TZ.
-Displacement: 0.284 cu in (4.65 cc) -Bore: 0.728 in (18.5 mm) -Stroke: 0.681 in (17.3 mm) -Practical rpm: 4000-38,000 -Power Output: 3.31 hp @ 32,000 rpm -Weight: 13.1 oz (375 g)