SBI Valve Spring. Specifications: Closed Pressure: 172@2.000, Coils / Turn Direction: 8.00 RH, I.D: 1.062, Length: 3.070, O.D.: 1.436, Open Pressure: 260@1.492, Solid Height: 1.430, Wire Diameter: 0.187.

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S.B. International delivers premium valve train components trusted by engine builders. This valve spring is precision-manufactured in the USA to meet or exceed OEM specifications for reliable engine performance.

• SBI precision-manufactured valve spring | Meets or exceeds OEM specifications | Made in USA by S.B. International