Howards Cams Camshafts & Valvetrain

Valve Spring, Dual, 1.480 in. Outside Diameter, 420 lbs./in. Rate, 1.270 in. Coil Bind Height, Each

Part Number: HRS-98542-1

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Valve Spring, Dual, 1.550 OD, .812 ID, Each

Part Number: HRS-98543-1

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Valve Spring, Dual, 1.550 in. Outside Diameter, 341 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98611-1

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Valve Springs, Single, 1.539 in. Outside Diameter, 335 lbs./in. Rate, 1.150 in. Coil Bind Height, Damper, Each

Part Number: HRS-98612-1

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Valve Springs, Dual, 1.539 in. Outside Diameter, 510 lbs./in. Rate, 1.150 in. Coil Bind Height, Single

Part Number: HRS-98630-1

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Valve Spring, Dual, 1.540 in. Outside Diameter, 471 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98635-1

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Valve Spring, Dual, 1.530 in. Outside Diameter, 348 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98636-1

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Valve Spring, Dual, 1.550 in. Outside Diameter, 521 lbs./in. Rate, 1.190 in. Coil Bind Height, Each

Part Number: HRS-98637-1

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Valve Spring, Dual, 1.550 in. Outside Diameter, 508 lbs./in. Rate, 1.080 in. Coil Bind Height, Each

Part Number: HRS-98644-1

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Valve Springs, Dual, Mechanical Roller, 1.557 in. O.D, 471 lbs/in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: HRS-98655

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Valve Spring, Dual, 1.445 in. Outside Diameter, 347 lbs./in. Rate, 1.125 in. Coil Bind Height, Each

Part Number: HRS-98412-1

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Valve Spring, Dual, 1.437 in. Outside Diameter, 380 lbs./in. Rate, 1.250 in. Coil Bind Height, Each

Part Number: HRS-98431-1

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Valve Springs, Dual, Hydraulic Flat Tappet, 1.435 in. O.D., 251 lbs./in, 1.055 in. Coil Bind Height, Each

Part Number: HRS-98436-1

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Valve Springs, Dual, Mechanical Flat Tappet, 1.435 in. O.D., 455 lbs/in, 1.055 in. Coil Bind Height, Set of 16

Part Number: HRS-98437

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Valve Spring, Dual, 1.437 in. Outside Diameter, 283 lbs./in. Rate, 1.025 in. Coil Bind Height, Each

Part Number: HRS-98442-1

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Valve Springs, Dual, 1.437 in. Outside Diameter, 283 lbs./in. Rate, 1.025 in. Coil Bind Height, Single

Part Number: HRS-98447-1

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Valve Springs, Dual, 1.514 in. Outside Diameter, 348 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98513-1

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Valve Spring, Dual, 1.510 in. Outside Diameter, 350 lbs./in. Rate, 1.300 in. Coil Bind Height, Each

Part Number: HRS-98515-1

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Replacement Chain

Part Number: HRS-94060

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Replacement Chain

Part Number: HRS-94064

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Replacement Chain

Part Number: HRS-94068

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Replacement Chain, IWIS, 60 Tooth

Part Number: HRS-94070

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Replacement Chain, IWIS, 66 Tooth

Part Number: HRS-94076

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Valve Springs, Triple, 1.660 in. Outside Diameter, 725 lbs./in. Rate, 1.145 in. Coil Bind Height, Set of 16

Part Number: HRS-98049

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Valve Spring, Triple, 1.660 in. Outside Diameter, 725 lbs./in. Rate, 1.145 in. Coil Bind Height, Each

Part Number: HRS-98049-1

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