SBI Valve Spring. Specifications: Closed Pressure: 92@1.575, Coils / Turn Direction: 6.60 RH, I.D: 0.975, Length: 2.158, O.D.: 1.315, Open Pressure: 172@1.155, Solid Height: 1.063, Wire Diameter: 0.170.

---

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