Sump Gasket: Pontiac 1959-76 V8 These replace the function of

These replace the function of the idle speed screw used on the older carburetors which held the air plates (or butterfly valve) open a small amount

This is the factual 68-72 GM A body Ram Air III  "D" Port set

this is a flat non-rounded handle

Size is 17" x 23" x 2"

Sump Gasket: Pontiac 1959-76 V8 These replace the function ofPONTIAC V8. This will be all the gaskets you'll need for the sump on the 59 76 326, 350, 389, 400, 455 & earlier special engine the 421 Pontiac V8. This is the three tab end kit. (the other later blocks had 5 tab) Please note year of the engine or car at least on the check out info if possible but it fits the original engines below. Fits: PONTIAC BONNEVILLE 1959 1976 PONTIAC CATALINA 1959 1976 PONTIAC EXECUTIVE 1967 1970 PONTIAC FIREBIRD 1967 1976