318 engine identification

MOPAROFFICIAL said
Should be both sides.
Sonic check it pronto, you could do it "4x4" 4"stroke n bore... or just stuff kb243s in it.

I see that JE has some pistons listed now for 318's in their SRP line, on their 340/360 page: MOPAR - SMALL BLOCK 340 / 360 - JE Pistons