For sale is a used, fully functional Honda CDI Ignitor Unit (also known as the CDI or ECU), stamped T1A01‑20 (original Honda part 30400‑413‑305 / 30400‑MC9‑831). Perfect for riders of vintage Honda twins needing a reliable ignition component.

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🔧 ⚙️ Compatible Models (per OEM and after‑market sources)
This CDI fits multiple Honda twin models built between the late '70s and mid‑'80s:

• CB400T Hawk / Dream – 1978–1981

• CM400T/C (Custom/Executive models) – 1979–1981

• CB450T Hawk II – 1982

• CB450SC Nighthawk – 1982–1986

• CM400E/CM450E – 1980–1983
  

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🔍 Product Details

• Part Number(s): T1A01‑20 / 30400‑413‑305 / 30400‑MC9‑831

• Condition: Used—tested, in working order; original wiring and connectors intact

• Notes: Designed for manual-transmission SOHC 400/450 models
  

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📦 Shipping 

• Ships quickly with tracking

• Well-packed to protect the unit's casing and terminals