This is a pair of 1971 Boss 351 D1AE-GA Heads that have been rebuilt. They are date coded 0M11 and 0M14. Each head had dropped a valve and were reconditioned showing minor combustion chamber contact. Each head has cupped springs,milled pedestals and the threaded stud holes. Thumb prints are strong.These RARE heads come with the RARE and desirable Buddy Bar casting D1ZX-9425-DA competition Boss 351 intake with EGR hole. No damage at all to the intake. Price is $2300 plus $200 shipping and insurance. Call Ed 705-277-1641