Proflow Reinforced Clear PVC Hose 12mm Per Metre TBi These donuts have a thick

These donuts have a thick 2mm wall and are sold either by the half or complete full donuts that are welded on the outside only

Part Number : PFE1000-12P

mounting bracket

Adjustable Suit Chev HEI Distributors

they also come with a grey output wire that is used to send a tach signal and set your built in rev limiter or trigger your aftermarket system

Proflow Reinforced Clear PVC Hose 12mm Per Metre TBi These donuts have a thickPart Number : PFE480 12 Proflows 480 Series clear PVC breather hose is made from a reinforced PVC with smooth bore and an embedded steel spiral. This helical wire helps support the hose in vacuum applications.