dano said Here is a start. You'll end up with approx 390-ish cid. You can probably data mine the pistons from the kits available. Small Block 318 Best Mopar 318 Stroker Kit at CNC Motorsports https://www.hughesengines.com/Index...hbGwgQmxvY2sgIkxBIg==&level1=U3Ryb2tlciBLaXRz Click to expand...