SBI Valve Spring. Specifications: Closed Pressure: 100@3.300, Coils / Turn Direction: 13.35 RH, I.D: 0.786, Length: 4.010, O.D.: 1.140, Open Pressure: 245@2.400, Solid Height: 2.355, Wire Diameter: 0.177.

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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