these three
Hayden

rapid cool plate and fin style
676 3/4"X 11"X5-7/8" (thicknessXheightXlength) 4" core 3/8" push-on sub-compact cars,
677 3/4"X 11"X7-1/2" (thicknessXheightXlength) 5-1/2" core 3/8" push-on up to full size vehicles, towing up to 2500 lbs,
678 3/4"X 11"X9-3/4" (thicknessXheightXlength) 7-3/4" core 3/8" push-on up to classs "c" motorhomes, towing up to 5000 lbs