Intro Series Valve Spring, Double Spring w/o Damper, 1.305 O.D x .725 I.D. Lunati Intro Series Springs Are Manufactured From Chrome Silicon Valve Spring Wire. Great For Use In Your Hot Street Machine Or Saturday Night Bracket Car.

90 Lbs Seat Pressure @ 1.650 Installed Height, 225 Lbs Open Pressure @ 1.000, .920 Coil Bind.