SBI Valve Spring. Specifications: Closed Pressure: 40@1.666, Coils / Turn Direction: 8.67 LH, I.D: 0.788, Length: 2.112, O.D.: 1.058, Open Pressure: 95@1.214, Solid Height: 1.174, Wire Diameter: 0.135.

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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