O.S. 12TZ (P) 5-Port EB Fully Modified

FEATURES: Lightened and epoxy filled crankshaft is constructed with two-step boring process for improved low end throttle response and broader power curve Crankshaft is balanced using bob weights to improve balancing ratios over stock crankshafts Crankshaft face is modified to improve aerodynamics, fuel atomizing and balance Lightened and strengthened connecting rod for reduced rotating and reciprocating weight Lightened and modified piston for reduced reciprocating weight and improved fuel flow Cylinder sleeve is ported to increase port velocity while maintaining proper port angles Piston and sleeve is matched to increase cylinder sealing area and improved power and engine life Deck height is set for proper compression ratio and head clearance for percentage of nitro in recommended fuel

INCLUDES: O.S. Max 12TZ (P) 5-Port EB Modified RC Vehicle Engine with 11H (B) Slide Valve Carburetor, Carb Gasket, Two O-rings, Carb Reducer, P6 Glow Plug, Sticker Sheet and Instruction Manual

REQUIRES: Fuel: Car fuel with 20% nitromethane content

SPECS: Specs such as bore, stroke, RPM and power output are not provided, contact EB MODS for more info.

Weight: 7.76oz (220g) Distance between mounting hole centers same side: 0.43" (11mm) Distance between mounting holes opposite side: 1.2" (31.4mm) Width not including mounting flanges: 1" (25.4mm) Width including mounting flanges: 1.5" (39mm) Height bottom of crankcase to top of cylinder head: 3.5" (89.6mm) Height bottom of mounting flanges to top cylinder head: 3" (77.2mm) Height crankshaft center to top of cylinder head: 3" (77.2mm) Length from front of crankcase to end of crankshaft: 1.2" (29.5mm) Length center line of piston to front of crankcase: 1.4" (34.8mm) Length center line of piston to front of crankshaft: 2.5" (64.3mm) Length from backplate to end of crankshaft: 3.1" (79.4mm) Length from backplate to front of crankcase: 2" (49.9mm) Crankshaft threads: 1/4-28