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Howards Cams Electro Polished Performance Valve Springs
Manufactured of aircraft-grade chrome silicone with advanced heat-treating. Outers then receive an advanced electro polished finish and are stress relieved. This enhanced finish increases valve spring life and fatigue resistance for lap after lap consistency. Designed for racing for racing hydraulic and mechanical flat tappet as well as performance hydraulic roller camshafts. Sets of 16.
Part Type: Howards Cams Performance Valve Springs
Style: Electro Polished
Type: Dual with Damper
Damper Included: Yes
Outer Spring Out Side Diameter (O.D.): 1.514"
Outer Spring In Side Diameter (I.D.): 1.125"
Inner Spring Out Side Diameter (O.D.): .937"
Inner Spring In Side Diameter (I.D.): .697"
Seat Pressure: 130 @ 1.875"
Open Pressure: 330 @ 1.300"
Valve Spring Rate: 348
Maximum Suggested Lift: .670"
Coil Bind: 1.150"
Electro Polished: Yes
Nitrided: No
Suggested Steel Retainers: 97118, 97128
Suggested Titanium Retainers: 97216
Suggested Seat Cups: 96015
Suggested Locators: NA
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 98656
Packaged Weight: 5.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16
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