SBI Valve Spring. Specifications: Closed Pressure: 56@2.340, Coils / Turn Direction: 9.50 RH, I.D: 0.906, Length: 2.650, O.D.: 1.280, Open Pressure: 156@1.830, Solid Height: 1.770, 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