All Eagle STreet Performance assemblies include our cast crankshaft, out I-Beam rods, hypereutectic Speed Pro pistons, Clevite 77 bearings, and Perfect Circle Rings. Available balanced only. Stock stroke assemblies use press-fit rods and includes pistons and rods pre-assembled.

Internally balanced assemblies do not include flexplate or dampener.

Externally balanced assemblies include a 153 tooth Pioneer flexplate and harmonic dampener.