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Howards Cams Performance Mechanical Flat Tappet Valve Springs
Manufactured of aircraft-grade chrome silicone with advanced heat-treating. Outers then receive an advanced electro polished finish and stress relieved. This enhanced finish increases valve spring life and fatigue resistance for lap after lap consistency. Designed for racing hydraulic and mechanical flat tappet as well as performance hydraulic roller camshafts. Set of 16.
Part Type: Valve Springs
Style 1.260” “PAC” Performance Mechanical Flat Tappet Valve Springs
Type: Pacaloy Single with Damper
Damper Included: Yes
Outer Spring Out Side Diameter (O.D.): 1.260"
Outer Spring In Side Diameter (I.D.): .860"
Inner Spring Out Side Diameter (O.D.): NA
Inner Spring In Side Diameter (I.D.): NA
Seat Pressure: 140 @ 1.750"
Open Pressure: 410 @ 1.200"
Valve Spring Rate: 540
Maximum Suggested Lift: .550"
Coil Bind: 1.115"
Electro Polished: No
Nitrided: No
Suggested Steel Retainers: 97112, 97113, 97132
Suggested Titanium Retainers: 97220
Suggested Seat Cups: NA
Suggested Locators: NA
Manufacturer: Howards Cams
Manufacturer's Part Number: 98220
Packaged Weight: 3.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16
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