Howards Cams 98611 Single Valve Springs 1.550 OD

Howards Cams designed these 98611 Performance Valve Springs for hydraulic flat tappet cams. Howards research and development engineers are constantly updating materials and manufacturing techniques to provide the best possible valve springs.

These springs are coiled and heat-treated in the finest facilities available. Each spring is coiled, stress relieved, deburred, shot-peened and heat treated 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 98611 Performance Valve Springs Specs:

• Number of Springs Per Valve: Single
• Valve Spring Style: Standard
• Maximum Valve Lift: 0.670 in.
• Coil Bind Height: 1.150 in.
• Outside Diameter of Outer Spring: 1.550 in.
• Inner Diameter of Outer Spring: 1.130 in.
• Middle Spring ID: N/A
• Inner Spring ID: N/A
• Spring Rate: 325 lbs./in.
• Closed Pressure: 145 lbs. @ 1.880
• Open Pressure: 350 lbs. @ 1.250
• 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!