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After 2 weeks in the CAD department, a week in the engine machine shop, 2 weeks on the flow bench, 4 weeks on the dyno, and 2 months worth of torturous track time; Trinity Racing hole shots the competition with the release of the Suzuki Z400 440B kit. Making the 50 horsepower barrier without a stroker crank was quite a feat for Trinitys R&D team. You must make the engine flow better with improved efficiency to make reliable horsepower, and Trinity has certainly done it again with this high output turn-key reliable kit. Included is: Polished Stainless Steel Pipe & Muffler 440cc Big Bore nickelsil carbide cylinder upgrade (your cylinder) Pro-port intake & exhaust porting Combustion Chamber Porting 12.5:1 Stage IV Forged Piston, Rings, & Wrist pin Stage IV Rev Cams Complete Gasket Set
