Howards Cams 98637 Electro Polished Pro-Alloy Mechanical Roller Dual Valve Springs 1.540

Howards Cams designed these 98637 Electro Polished Pro-Alloy Dual Valve Springs for mechanical roller camshafts. The electro polishing reduces localized stress areas, providing even greater life expectancy.

These springs are CNC coiled as well as heat-treated in the finest facilities available. Each spring is parallel ground, stress relieved, deburred in addition to shot-peened for years of high-performance service.

Choosing the correct valve spring allows your engine to reach its full potential. Valve springs should be matched to the camshaft and the reach the recommended spring pressure.

Howards Cams 98637 Electro Polished Pro-Alloy Valve Springs Specs:

• Number of Springs Per Valve: Dual
• Valve Spring Style: Standard
• Maximum Valve Lift: 0.700 in.
• Coil Bind Height: 1.190 in.
• Outside Diameter of Outer Spring: 1.540 in.
• Inner Diameter of Outer Spring: 1.115 in.
• Outer Diameter of Inner Spring: 1.025 in.
• Inner Diameter of Inner Spring: 0.730 in.
• Spring Rate: 510 lbs./in.
• Closed Pressure: 205 lbs. @ 1.950
• Open Pressure: 575 lbs. @ 1.230
• Damper Spring Included: Yes
• Retainers Included: No
• Valve Springs Coated: No
• Valve Stem Seals Included: No
• Locks Included: No
• Quantity: Sold as a set of 16

Howards Cams Valve Springs – The Ultimate In Performance!