Thermic Unit CHALLENGER Vespa ET3 d.57 manifold d.30
SPECIAL – ET3 – PRIMAVERA – APE50
– aluminium cylinder coat with nickel Ø 57
– Vertex piston with 1 ring in steel
– intake manifold Ø 30mm
– shell mold casting head with side spark plug hole
– 4 petals inlet valve with flow guide
Flow guide sold separately cod. 57001.42
In stock
371,64 € +VAT
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