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S. B. International, Inc. 051-300-7
SBI Valve Spring. Precision-manufactured valve train component by S.B. International, Inc.
QualCast, LLC 32-943-D
Spring Engine Valve Spring Inside Diameter 0.884 Outside Diameter 1.266 Closed Pressure 110 @ 1.700 Open Pressure 285 @ 1.210
S. B. International, Inc. 160-1238
SBI Valve Spring. Specifications: Closed Pressure: 69@1.850, Coils / Turn Direction: 11.00 LH, I.D: 0.607, Length: 2.277, O.D.: 0.877, Open Pressure: 133@1.550, Solid Height: 1.477, Wire Diameter: 0.135.
PAC Racing Springs PAC-1360-16
VALVE SPRING ASSY DRAG RACE; 0.726 in. ID - 1.522 in. OD - 2.250 in. installed Height - 0.950 in. Max Valve Lift
S. B. International, Inc. 051-310
SBI Valve Spring. Precision-manufactured valve train component by S.B. International, Inc.
QualCast, LLC 32-944
Spring Engine Valve Spring Inside Diameter 0.882 Outside Diameter 1.125 Closed Pressure 18-22 @ 1.790 Open Pressure 48.5-53.5 @ 1.187
