COMP Cams Dual Spring Valve Spring Set # CC26987-16 Rate_10 Oldsmobile 400 425 455 Edelbrock

Oldsmobile 400 425 455 Edelbrock Performer Intake Manifold # ED2151

as well as

Chev Holden LS1 2004 & Later ARP Pro Series Cylinder Head Stud Kit # 234-4345

NOTE: SHORT WATER PUMP (SWP) ENGINES ARE 5

7L Powerstroke with manual transmission increase durability and safety

COMP Cams Dual Spring Valve Spring Set # CC26987-16 Rate_10 Oldsmobile 400 425 455 EdelbrockCOMP Cams Dual Spring Valve Spring Set # CC26987 16 Valve Springs, Dual, 1. 430 in. Outside Diameter, 322 lbs. in. Rate, 1. 150 in. Coil Bind Height, Set of 16 Valve Spring Style: Standard Number of Springs Per Valve: Dual Maximum Valve Lift (in.): 0. 540 in. Retainers Included: No Outside Diameter of Outer Spring (in.): 1. 430 in. Coil Bind Height (in.): 1. 150 in. Damper Spring Included: Yes Spring Rate (lbs in.): 322 lbs. in. Inside Diameter of