1966-71 Mopar Big Block (Except Hemi) Intake Manifold Gasket
Mopar Performance intake manifold gasket. Applications 361 ci 383 ci 400 ci Note: For block off plate see part # P4120511.
1966-71 Mopar Big Block (Except Hemi) Intake Manifold Gasket/Heat Block Off
Mopar Performance intake gasket with built in heat block off. The block off plate prevents heat from being transfered from the hot oil in the lifter valley to the intake manifold, creating a cooler, denser air charge....