Triple Pass= Coolant re-routed through the core 3 times. Added time fluid spends temperature reducing airflow allows for heater transfer increase. (note: Triple pass option requires that inlet and outlet be on opposite sides and must use auxiliary tranny cooler for automatic transmission vehicles)<br><br><br>Measure Core prior to ordering. See all items for other sizes:<br><br>This item is 17 tall for the fin core material and is for factory with air 4 row versions only. There are smaller radiators and this is not interchangeable with them.<br><br>Copper Brass all metal original style radiator is built to order in the USA. Allow 2-4 week build time. Item will be made with automatic transmission. For manual, specify upon ordering.<br>Purchaser is required to match illustration, thickness and measurements prior to purchase to ensure fitment. Item sold as illustrated and described disclosing model information is added as a reference. Custom built items are non returnable (12 month exchange warranty included)<br><br><br>SPECS<br>Country of Manufacture United States<br>Make / Model Pontiac Tempest<br>Year(s) 1967<br>Engine V8<br>Notes 17-1/2" Tall w/ Factory Air, 3" Wide Mounts<br>Mounts<br>Material Copper/Brass<br>Available Cores Standard Automotive<br>Core Size 17-3/8 x 23-3/4<br>Available Rows 4<br>Core Thickness 2 3/4<br>Cooler Size 12-1/2x5/16 IF<br>Flow Type Downflow<br>Inlet Size 1-1/2"<br>Outlet Size 1-3/4"<br><br>Copper 80's style core with 1/2" tubes on 3/8" centers. Increased cooling efficiency without modifications to car. High Efficiency offers more cooling efficiency than aluminum cores due to tubes on 3/8" centers. Copper/brass construction to ensure dependability.