7.4/8.2 GM 454/502 V-8 (92 and after)

Exhaust Riser Gasket (oem 3850496) $2.39	Exhaust Manifold (oem 3861459) (oem 3852362) $250.00	Exhaust Riser (oem 3857944) $129.00
Exhaust Manifold Gasket (oem 3852472) (oem CHVA-47-0000) $12.43	Plug (oem 315713) (oem 3852135) $4.33