Coltri 1st Stage 88mm Cylinder Head Kit
Coltri MCH10 CNG first stage 88mm cylinder head kit. Described in Coltri literature as "1°ST Stage Cylinder Head 88MM Kit." For models up to 03-2015. For additional information on this kit, see page 12 of MCH10-MCH14 CNG Parts List located under the User Manual tab.