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Return to Parts List Category : A- Small Block "LA" : Retainers, Locks & Accessories COM 740-16 VALVE SPRING RETAINER 11/32" & 3/8" 10° 4140 CHROMEMOLY STEEL $80.95 Steel Valve Spring Retainers Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. These steel retainers are the perfect solution. This 10° Super Lock™ steel retainer is precision machined from 4140 chromemoly steel and finished in black oxide. Part # Description Lock Angle Valve Stem Size Valve Spring Diameter Retainer Outside Diameter Outside Diameter of Middle Spring Inside Diameter of Middle Spring 740-16 Super Lock™ Retainer 10 Degree All 1.437"-1.550" 1.400" 1.060" .690"     HUG 1332 MAN 13194-16