I HAVE FOR YOUR CONSIDERATION A SPARTA ECONOMY PUSH ROD WITH TRIP ASSEMBLY. THE TOTAL LENGHT IS 27 1/2 LONG. I WOULD GUESS THIS TO BE FOR THE 6HP OR 8HP SPARTA ECONOMY’S. THERE IS A CHIP OUT OF THE TRIP BLOCK BY THE SET SCREWS. WE WILL TRY OUR BEST TO GIVE YOU AN ACCURATE AND HONEST DESCRIPTION OF THE ITEMS LISTING THE GOODS AND THE BAD’S. LET THE PICTURES PROVIDED BE YOUR GUIDE. PLEASE VIEW OUR ITEMS OFTEN SINCE WE WILL BE LISTING TONS OF GM, FORD, MOPAR, ETC.