Circuit Hero K-series Coolant Block Off Plug

Circuit Hero K-series Coolant Block Off Plug
This Circuit Hero product helps eliminate unnecessary parts for a K-series race engine.

This billet coolant plug eliminates the coolant pipe that leads to the OEM K-series thermostat housing.


  • CNC 1-piece Premium 6061 aluminum
  • Easy Installation
    (does require the drilling of a small hole through thermostat housing for Allen screw)
  • Re-use or replace factory rubber o-ring from OEM coolant tube
  • Use in conjunction with OEM Honda Hex Plug P/N# 12208-PR3-000 & Crush Washer P/N 12209-PR3-000
  • Compatible with K20 andK K24 thermostats bodies

Circuit Hero K-series Coolant Block Off Plug

Regular price $30.00
Free Shipping
Free standard shipping applies to this item within the continental United States. Orders shipped to Alaska, Hawaii, Virgin Islands, Canada, Puerto Rico, Guam, and PO/APO/FPO boxes are subject to additional shipping charges.
Ships: 1-5 business days
This is an estimated ship date once your order is placed from JHPUSA. Ship dates do not include weekends and holidays.
Brand:Circuit Hero
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