Hi,
i have set "Refund Module Items On Kill": false,
I still get engine parts refunded. 

"Refund Fuel On Kill": true,
"Refund Fuel On Crash": true,
"Refund Inventory On Kill": true,
"Refund Inventory On Crash": true,
"Refund Engine Items On Kill": false,
"Refund Engine Items On Crash": true,
"Refund Module Items On Kill": false,
"Refund Module Items On Crash": true,
"Drop Inventory Items When Vehicle Recall": false,
"Chassis Type (Small, Medium, Large)": "Large",β