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QualCast, LLC 32-06412
Spring Engine Valve Spring Inside Diameter 1.004 Outside Diameter 1.388 Closed Pressure 109 @ 2.00 Open Pressure 227@1.492
S. B. International, Inc. 160-1443
SBI Valve Spring. Specifications: Closed Pressure: 95@1.650, Coils / Turn Direction: 7.00 RH, I.D: 0.831T, Length: 2.065, O.D.: 1.165T, Open Pressure: 218@1.217, Solid Height: 1.115, Wire Diameter: 0.167.
Manley 221432-1
Manley Valve Spring, 1.530 DOUBLE; Manley Valve Spring, SPRING-1.530 DOUBLE
PAC Racing Springs PAC-1427-16
VALVE SPRING BBC STOCK ELIM; Top 0.650 in. / Bottom 1.000 in. ID - Top 1.104 in. / Bottom 1.454 in. OD - 1.850 in. installed Height - 0.625 in. Max Valve Lift
S. B. International, Inc. 053-583-100
SBI Performance Valve Spring. Specifications: Closed Pressure: 230@1.900, I.D: 0.730, Length: 2.400, O.D.: 1.550, Open Pressure: 600-1.250, Solid Height: 1.150.
QualCast, LLC 32-07082
Spring Engine Valve Spring Inside Diameter 0.680 Outside Diameter 0.920 Closed Pressure 50 @ 1.800 Open Pressure 104 @ 1.300
S. B. International, Inc. 160-1444
SBI Valve Spring. Precision-manufactured valve train component by S.B. International, Inc.
