Increase your heat while idling!
This fitting relocates the return line for the heater to the inlet side of the raw water pump, increasing water flow thru the heater core at idle speeds. The 1-1/4" barb is for PCM GM, Indmar Ford & GM, and GM Mercruiser engines.
Kit Includes:
(Qty1) "Y" pipe 1-1/4" x 1-1/4" x 5/8"
(Qty2) Hose Clamp #16
(Qty1) Hose Clamp #8