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S. B. International, Inc. 051-190-7
SBI Valve Spring. Precision-manufactured valve train component by S.B. International, Inc.
QualCast, LLC 32-807
Spring Engine Valve Spring Inside Diameter 1.016 Outside Diameter 1.400 Closed Pressure 76-84 @ 1.700 Open Pressure 187-207 @ 1.300
QualCast, LLC 52-57470SK
Spring Kit, High Performance Engine Valve Spring Kit Title Performance Kit with 16 Springs, 16 Retainers, and 32 Keepers Outside Diameter 1.260 Closed Pressure 125 @1.750 Open Pressure 330 @1.200
S. B. International, Inc. 160-1197
SBI Valve Spring. Specifications: Closed Pressure: 65@2.219, Coils / Turn Direction: 7.35 RH, I.D: 1.281, Length: 2.574, O.D.: 1.717, Open Pressure: 176@1.614, Solid Height: 1.531, Wire Diameter: 0.218.
S. B. International, Inc. 160-1706
SBI Valve Spring. Specifications: Closed Pressure: 25@1.358, Coils / Turn Direction: 6.00 RH, I.D: 0.780, Length: 1.590, O.D.: 1.024, Open Pressure: 63@1.000, Solid Height: 0.732, Wire Diameter: 0.122.
S. B. International, Inc. 051-194
SBI Valve Spring. Precision-manufactured valve train component by S.B. International, Inc.
QualCast, LLC 32-812
Spring Engine Valve Spring Inside Diameter 1.019/1.029 Outside Diameter 1.395/1.405 Closed Pressure 77-85 @ 1.580 Open Pressure 183-202 @ 1.180
QualCast, LLC 52-58310
Spring, High Performance Engine Valve Spring Inside Diameter 0.729 Outside Diameter 1.540 Closed Pressure 255 @1.950 Open Pressure 590 @1.230
