Seller notes

Valve Spring Set of 16, .550" lift valve springs, 11/32" 7° degree steel spring retainers, and 32 hardened 11/32" 7° degree valve locks. Set of 16 Z28 Springs for Small Block Chevy 1955-1993 283 305 327 350 383 400 with cast iron heads good for stock application, towing, and most mild performance cams up to 0.550 lift Valve Spring Specifications: OD: 1.260" ID: .785 Closed: 114lbs @ 1.710" Open: 318lbs @1.210 Coil Bind@: 1.160 Spring Type Single with damper Valve Spring Retainer 11/32 X 7 degr...

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