[Mr70]

Came in three different designs.
3 hole closed Plen,2 hole closed Plen and an open Plenum on:
*1966 Pass. & Corvette w/427~425HP,& L-78 Chevelle.
*1967 L-88 427~435HP Corvette,& L78 Chevelle-Camaro.
*1968 early Pass.w/427~425HP,& early L78 Chevelle-Camaro-Chevy II,& L-88 427~435HP Corvette.

ONLY L-88 Corvette used the open Plenum w/divider cut out at a 45° angle.