68 318 bore size

[sublimeswinger]

I want to look for a new piston and was wondering if anyone could give me the standard bore size for a 68 318. Or a piston anyone sugest.

my combo

68 block
comp 262 with comp 901 springs
318 heads port and pollished w/ 3 angle valve job ( dont know the flow numbers)
double roller timing chain

 

[mikedevore]

3.91 is the std. bore size for a 318

 

[urchinhead]

A popular choice is to use the KB 167 pistons ( available through Summit, and many other suppliers ).