Engine Pro Performance O.D. Valve Spring Cups 03-2006-16

Engine Pro Performance O.D. Valve Spring Cups 03-2006-16 Specifications

• Spring O.D.: 1.550
• Cup O.D.: 1.740
• Cup I.D.: .635
• Shoulder Height: .158
• Thickness: .062

Applies to:

• N/A

Description:

Our O.D. spring cups are manufactured from 4140 steel case hardened to a minimum of .010" ensuring proper spring location and long life even under extreme spring pressure conditions in today's high performance engines.

• Heat Treated
• CNC Machined
• Black Oxide Coated