Seller notes

Set of 16 Engine Pro Performance Springs (comparable to Comp 986-16), Retainers and Nitro Black Locks for 302 351W Ford Small Blocks with Roller Tappet Cams up to .600" lift 02-1004-16 SPRING SPECIFICATIONSOutside Diameter: 1.445 in.Inside Diameter: 1.085 in.Seat Load: 133-lbs. at 1.750 in.Open Load: 316-lbs. at 1.150 in.Coil Bind: 1.055 in.Spring Type: Single with damperNote: Cylinder head machining may be required03-1006-16 RETAINER SPECIFICATIONSOutside Diameter: 1.400 in.Step 1 Diameter: 1.0...

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