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Howards Cams Pacaloy® Roller Valve Springs
Howards Cams teamed up with PAC racing products to develop a premier line of valve springs. They started with a proprietary Pacaloy high-tensile steel only available from PAC. Using innovative designs and special processing, ensure the highest quality of valve springs available. Gas nitrating, surface enhancement technology, and multiple heat treatment stages are precisely controlled to minimize load loss in service. You can be confident that every high performance Pacaloy spring provides a high level integrity that performs consistently all the way to the winner’s circle.
Part Type: Pacaloy® Roller Valve Springs
Style: Mechanical Roller
Type: Dual
Damper Included: No
Outer Spring Out Side Diameter (O.D.): 1.550"
Outer Spring In Side Diameter (I.D.): 1.136"
Inner Spring Out Side Diameter (O.D.): NA
Inner Spring In Side Diameter (I.D.): .812"
Seat Pressure: 240 @ 1.900"
Open Pressure: 625 @ 1.200"
Valve Spring Rate: 550
Maximum Suggested Lift: .700"
Coil Bind: 1.100"
Electro Polished: No
Nitrided: No
Suggested Steel Retainers: 97130
Suggested Titanium Retainers: 97220
Suggested Seat Cups: 96015
Suggested Locators: 96034
Manufacturer: Howards Cams
Manufacturer's Part Number: 98543
Packaged Weight: 3.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16
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