Exhaust Valve - OEM Series - 1.500 in Head - 11/32 in Valve Stem - 4.910 in Long - Stainless - Small Block Chevy - Each Brand- FERREA MPN F801500-1 . **NOTE: THIS PART NUMBER CANNOT BE SPECIAL ORDERED OR DROP-SHIPPED Truck Freight- NO State Restrictions Canada Restrictions- NO Canada Shipping: Ships to Canada