Exhaust Header / Manifold Gasket - 1.60 x 1.70 in Rectangular Port - Composite - N351 Heads - Small Block Ford - Pair Brand-COMETIC GASKETS MPN C5655-064 . **NOTE: 1.585 x 1.681 Truck Freight NO
Proposition 65: These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. For more details visit https://www.p65warnings.ca.gov/