JE Pro Seal head gasket for Chrysler 361/383/400/413/426/440 big‑block engines is specified at a 4.415‑inch bore with a 0.039‑inch thickness. The gasket matches the listed dimensions for those large‑displacement Chrysler engines and is intended for use during rebuilds or repairs that require the stated bore and thickness to restore proper head sealing and engine assembly integrity.
JE Pro Seal Chrysler 361/383/400/413/426/440 4.415in 0.039in Headgasket (ref C5462-040)