8 3/4 I.d. ?

ya know what is cool about the 318 heads! that little motor is damn torquey!

I guess Ill be in the market for a new intake considering mine is for a 318. HMMMMMMM gonna be hard pressed to get the other half to let me spend more $$$$ after I picked that rear up! lol ahhh she'll get over it! Ill tell her to go buy some new clothes! hahah