I always use a gasket that matches my heads, and then match the intake to it. U CAN USE THE BIGGEST BOLTS U CAN TO KEEP THE GASKETS CENTERD WHILE CHECKING OR MARKING THE INTAKE, U CAN EVEN ADD TAPE TO THE BOLTS SO THEY FIT TIGHT TO KEEP THE GASKET "RIGHT" ALL THE TIME UR MESSING W/ THEM/ IT . Disregard caps!