matthew
New Member
its a 91 integra b18b1 block is this the stock head 1st numbers on left above exhaust mani is 8/9 or is this a off a 98 number on right side is pr4-3 im new to the whole acura/ honda scene ive looked online and ive never felt so confused in my life ive read it could be a type r head a b16 head etc