WE HAVE SPENT PLENTY OF TIME ON AND OFF THE DYNO AND AT LOCAL TRACKS TO ENSURE OUR CUSTOMERS THAT THIS CAMSHAFT WILL GET THE JOB DONE. WE USE THIS SAME CAMSHAFT IN OUR TOP OF THE LINE VADAR 305 ENGINE AND IT PERFORMS EVERY BIT AS WELL IN OUR ENTRY LEVEL ENGINES. YOU WONT BE DISAPPOINTED . WE DONT ADVERTISE OUR SPECS. BUT YOU WILL GET A CAM CARD.