Description
PAC Racing 1300 Series Valve Spring Triple Spring 687 lb in Spring Rate 1.130" Coil Bind 1.645" OD BR10054 excellent mileage for 327 400c WEI7155 excellent mileage for 327 400c This unit is perfect for medium to full size cars and intermediate SUVs that see light to medium duty use and some towing and our High Tech Engine test lab Micro Hardness