Will work for auto or manual. See other listing for manual specific option.<br><br>15 1/2 Tall core models were normally used in 1966-1967 GTO's without air. Check core height prior to purchase and see other offerings. <br><br>1966-1967 Pontiac GTO Tempest LeMans Aluminum Performance Radiator. AT Cars w/o AC.<br><br>This is the smaller 15.5" core for cars without factory AC.<br><br>These COLD-CASE radiators are Tig welded 100% aluminum and absolutely beautiful. <br>Don't buy a 3 or 4 row aluminum radiator! It doesn't cool as good as these oversize 2 row models. <br><br>These radiators are original appearing and have the correct stamping. Once painted, you'd be hard pressed to find a difference over an original versus a COLD-CASE.<br><br>-100% TIG welded <br>-All Aluminum <br>-Polished OE style tanks<br>-16 fins per inch <br>-Corrugated fins that give more surface area and more thermal transfer <br>-Pressure tested <br>-For auto trans (auto-trans-cooler)<br>-Direct fitment for 66-67 GTO<br><br>Core 15-1/2"<br>Width 25-1/4"<br>Overall Height 20-1/8"<br>Overall Thickness 3"<br>Upper Hose 1-1/2"<br>Lower Hose 1-13/16"<br>Tubes (2) 1" Tubes<br>Trans Lines 12-1/4"<br><br><font class="HiliteFONT">Suggested Add-Ons:</font><br>Radiator Cap (<a href="/product.asp?part_id=221633" target="_blank">SKU 221633</a>) <br>Thermostat Relay Kit (<a href="/product.asp?part_id=221453" target="_blank">SKU 221453</a>) <br>Overflow Tank (<a href="/category.asp?cat_id=R023" target="_blank">See Category</a>)<br>Two 12" Electric fans (<a href="/product.asp?part_id=221449" target="_blank">SKU 221449</a>)<br>Or one 14" fan (<a href="/product.asp?part_id=221450" target="_blank">SKU 221450</a>) for this core size<br>Add flex radiator hoses (<a href="https://www.radiatorexpress.com/category.asp?cat_id=R059" target="_blank">See Category</a>)<br>