- Complete head assy with valves, everything assembled ready to bolt on and go
- Piston cylinder kit
- piston (57.4)
- complete set of gaskets
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So far so good, or great! The parts fit my Yerg Dog Spiderbox 150CC Howhit Parts. They arrived quickly. The video on the overhaul was great! I even called support to ask a question and support had a mechanic verify and validate the question, all within a matter of minutes.