NOS Mopar 383 400 440 Big Block Black Aluminum Valve Covers W/ Breathers: $295.00. NOS Mopar Performance 383 400 440 Black Cast Aluminum Valve Cover Set with Grommets and 2 NOS Mopar Breathers.

MOPAR Performance Big Block Valve Covers with breathers 383, 400, 440: $80.00. Used MOPAR Performance valve covers. 1 is cracked (see photo), maybe you need ONE but don\'t want to buy a pair like I ...

Matching intakes, fuel injection, blower manifolds, 6-Pak tunnel-rams, valve covers and solid heads are also available. For information, contact Indy Cylinder Head, Dept HR04,8621 Southeastern Ave ...

The valve covers are brand-new reproductions from Auto Metal Direct (PN 335-1064-BL). See All 32 Photos Mopar big-block wedge intake manifolds are dry (no coolant passages) and can be swapped in ...