This is the Team Associated .15X pull start engine with a Universal Type Crankshaft FEATURES: Engine comes with two different threaded studs to achieve the crankshaft type needed (standard and for RC10GT) Aluminum piston and Chrome-plated Brass sleeve Machined 7075 aluminum connecting rod All ports are in optimum alignment for max power and efficiency Rotary type carburetor INCLUDES: One Team Associated .15X pull start engine with Universal crankshaft One standard crankshaft threaded stud One RC10GT clutch nut(male) One rubber air filter boot Two foam filter elements Two 6" zip ties One instruction and warranty information sheet REQUIRES: Glow plug: MC59 recommended Fuel: 10-20% nitro content car fuel Flywheel SPECS: Output: N/A per manufacturer Weight: 8.642oz (245g) Crankshaft size at threads: .196" (5mm) Distance between mounting holes same side: .43" (11mm) Distance between mounting holes opposite side: 1.23" (31.4mm) Distance/top of cyl.head to bottom of mounting flange: 2.71" (69mm) Distance between muffler mounting holes: 1.1" (28.2mm) Height/bottom of crankcase to top of cylinder head: 3.21" (81.5mm) Width including mounting flanges: 1.53" (38mm) Width of crankcase beneath mounting flanges: .98" (24.8mm) COMMENTS: Direct drop in for Nitro TC3. wm 9/14/04 ir/jxs