The uprated Heater kit includes a larger matrix, a larger bored pipe and heater tap. This allows more hot water to flow through the system so increasing the warm air flow into the car.
Please Note The Kit Does Not Include Heater Motor - HTR116M
10M221 - Gasket - Thermostat
10m226W - Thermostat - Winter
ACP111A - Choke Cable
HTR104 - Gasket - Heater Valve
HTR117A - Matrix - Heater Large
HTR140 - Adaptor 5/8" Cylinder Head
HTR141 - Inline Heater Valve 5/8" Bore
HTR142 - Heater Hose - Large Capacity 5/8"
HTR143 - Bottom Hose
HTR144 - Hose Clip: x5
RAD111 - Clip - Jubilee - Large: x2