300 firm. perfect running auto motor had the head taken off by jdm of Miami because they sent me a bad s14 sr swap it was rod knocked. instead of using this block the kid i did the swap for wants me to just rebuild his so were just selling this. comes with knoc sensor, alt braket, its basicly a full bottom end of a sr. so if anyone rod knock there sr you can simply use this and be running again. you can use this block with s13 sr heads also ive done it b4. 300 firm pease get it out of here i have to much shit in my garage please text me 727-417-7076 vince