SBI Performance Valve Spring. Specifications: Closed Pressure: 84@1.880, Coils / Turn Direction: 8.21 RH, I.D: 0.655, Length: 2.134, O.D.: 0.994, Open Pressure: 230@1.440, Solid Height: 1.390, Wire Diameter: 0.169.

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

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