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The .675" Lift Conical Spring Kit w/ Titanium Retainers for GM LT1/LS7 applications allows users to easily install revolutionary Conical Valve Springs on any high performance GM LT1/LS7 engine.
The .675" Lift Conical Spring Kit w/ Titanium Retainers for GM LT1/LS7 applications features a smaller diameter in the upper half to reduce active mass. This reduction in mass, along with the progressive frequency created by the conical shape, dampens coil oscillations better than any other spring design. These improvements in dynamic stability allow for the use of more aggressive camshafts and an increase in RPM limit speed. Finally, Superfinish processing of the springs results in increased durability and spring life.
Retainer Material:Titanium
Max Lift:0.665
Installed Height:1.9
Coil Bind Height:1.175
O.D. of Outer:1.060/1.332
I.D. of Outer:.660/.932
Retainers Part #:772-16
Valve Locks Part #:623-16
Valve Lock Type:7° Steel
Spring Style:Conical
Spring Seats Type:I.D. Locator
Spring Seats Part #:4680-16
Spring Rate:519
Valve Seals Part #:511-16
Valve Seals Type:Steel Jacketed Viton
Spring Part #:7230-16
Seat Pressure:145
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