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Howards Cams, Max Effort™ Roller Valve Springs
CNC coiled and heat-treated in the finest facilities available. Using only the highest quality valve spring wire. All Howards Cams™ valve springs are stressed relieved, ground and shot-peened to offer the customers some of the very best valve springs on the market. Whether you're running drag race, circle track, road course, performance marine or other extreme race application, Howards Cams™ offers the perfect valve spring to suit your needs. Sets of 16.
Part Type: Max Effort™ Roller Valve Springs
Style: Competition Racing Valve Springs
Type: Dual with Damper
Damper Included: Yes
Outer Spring Out Side Diameter (O.D.): 1.557"
Outer Spring In Side Diameter (I.D.): 1.143"
Inner Spring Out Side Diameter (O.D.): 1.033"
Inner Spring In Side Diameter (I.D.): .749"
Seat Pressure: 225 @ 1.950"
Open Pressure: 555 @ 1.250"
Valve Spring Rate: 471
Maximum Suggested Lift: .740"
Coil Bind: 1.150"
Electro Polished: No
Nitrided: No
Suggested Steel Retainers: 97118, 97128
Suggested Titanium Retainers: 97220
Suggested Seat Cups: 96010
Suggested Locators: 96031
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 98635
Packaged Weight: 3.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16
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