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Howards Cams Pacaloy® Mechanical Roller Valve Springs w/ Special Processing
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. These springs are enhanced with a special Neno-Peen™ spring technology for durability and exotic heat treatment for minimal load loss. These are the springs pro-sportsman, pro-builders, and professional racers rely on!
Part Type: Pacaloy® Roller Valve Springs
Style: Mechanical Roller w/ Special Processing
Type: Dual with Damper
Damper Included: Yes
Outer Spring Outside Diameter (O.D.): 1.564"
Outer Spring Inside Diameter (I.D.): 1.150"
Inner Spring Outside Diameter (O.D.): NA
Inner Spring Inside Diameter (I.D.): .744"
Seat Pressure: 250 @ 2.000"
Open Pressure: 670 @ 1.200"
Valve Spring Rate: 525
Maximum Suggested Lift: .800"
Coil Bind: 1.140"
Electro Polished: No
Nitrided: No
Suggested Steel Retainers: 97130
Suggested Titanium Retainers: 97220
Suggested Seat Cups: 96015
Suggested Locators: 96031
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 98884
Packaged Weight: 5.2 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16
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