sorry i didnt make myself very clear.i need to know what size bolts hold the iol pump to the block.im inprocess of putting the motor back together.i bought a bolt kit http://www.mmsacc-stainless.com.every thing there to hold the water pump,dist,valve covers,and ect.the only bolts that didnt come with the kit was the oil pump bolts.also its a 71 250.thanks
jason