502SS Forum Member Apr 6, 2016 #1 GM 18* RR intake. Part number 10185053. Comes with an adapter for a 4500 carb that's been ported to match. We had this on dads motor with the old 363 casting 18* heads and made 780'ish with this intake. $200. Call or text. 989-600-5691 Last edited: Apr 6, 2016
GM 18* RR intake. Part number 10185053. Comes with an adapter for a 4500 carb that's been ported to match. We had this on dads motor with the old 363 casting 18* heads and made 780'ish with this intake. $200. Call or text. 989-600-5691
