SBI Valve Spring. Specifications: Closed Pressure: 31@1.640, Coils / Turn Direction: 6.80 LH, I.D: 0.895, Length: 2.112, O.D.: 1.145, Open Pressure: 90@0.875, Solid Height: 0.821, Wire Diameter: 0.125.

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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