Allstar Performance Self-Ejecting Flush Allen Head Fastener — 7/16in x .500in Aluminum 50-Pack | ALL19135 1965-pontiac-bonneville-esi7193610 42-percent increase in coolant surface

42-percent increase in coolant surface area

Pontiac: G8 09 - 09 6

5L Dual Valve Spring Kit

not the main crankshaft journals

Allstar Performance Self-Ejecting Flush Allen Head Fastener — 7/16in x .500in Aluminum 50-Pack | ALL19135 1965-pontiac-bonneville-esi7193610 42-percent increase in coolant surfaceThe Allstar Performance ALL19135 is a self ejecting flush head Allen fastener with a 7 16 in body diameter and a . 500 in body length. It uses a hex (Allen) key drive and has a flanged, self ejecting design, meaning the fastener is spring loaded to partially lift out of its mounting hole when turned to the open position, making it easier to grab and remove by hand. It is made from Aluminum with a Black Anodized finish and is sold in a set of 50. This