COMP Cams 987-16 - Valve Springs, for 984-975

Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of today's engine builders and racers.

Seat pressure: 121 lbs. 1.800", Open Pressure: 343 lbs. 1.200"; O.D.: 1.430", I.D.: 0.697"; Dual valve springs with damper; Approximately .590" max lift at recommended installed height;