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Howards Performance Hydraulic Flat Tappet Valve Springs
Howards research and development engineers are constantly updating materials and manufacturing techniques to provide the best possible valve springs. Coiled and heat-treated in the finest facilities available. Each spring is coiled, stress relieved, deburred, shot-peened and heat treated to our own very specific standards. Sets of 16.
Part Type: Hydraulic Flat Tappet Valve Springs
Style: Performance Flat Tappet
Type: Single with Damper
Damper Included: Yes
Outer Spring Out Side Diameter (O.D.): 1.437"
Outer Spring In Side Diameter (I.D.): 1.080"
Inner Spring Out Side Diameter (O.D.): NA
Inner Spring In Side Diameter (I.D.): NA
Seat Pressure: 100 @ 1.750"
Open Pressure: 235 @ 1.100"
Valve Spring Rate: 210
Maximum Suggested Lift: .640"
Coil Bind: 1.050"
Electro Polished: No
Nitrided: No
Suggested Steel Retainers: 97118, 97128
Suggested Titanium Retainers: 97216
Suggested Seat Cups: 96005
Suggested Locators: 96035
Manufacturer: Howards Cams
Manufacturer's Part Number: 98411
Packaged Weight: 3.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16
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