Howards Cams Camshafts & Valvetrain

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, 1.514 in. Outside Diameter, 413 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: HRS-98652

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Valve Springs, Dual, 1.625 in. Outside Diameter, 689 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: HRS-98732

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Valve Spring, Dual, 1.625 in. Outside Diameter, 689 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: HRS-98732-1

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Valve Spring, Dual, 1.625 in. Outside Diameter, 645 lbs./in. Rate, 1.070 in. Coil Bind Height, Each

Part Number: HRS-98738-1A

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Valve Springs, Dual, 1.640 in. Outside Diameter, 645 lbs./in. Rate, 1.070 in. Coil Bind Height, Polished, Each

Part Number: HRS-98739-1

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Button, SB Chev

Part Number: HRS-HRRKB-OE

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Rev Kit Replacement Parts, Each

Part Number: HRS-MRRKB1

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Rev Kit Replacement Parts, Each

Part Number: HRS-MRRKB2

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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 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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Valve Spring, Dual, 1.500 in. Outside Diameter, 475 lbs./in. Rate, 1.040 in. Coil Bind Height, Each

Part Number: HRS-98541-1

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Estimated Ship Date: Mar 19, 2026 if ordered today

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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

Part Number: HRS-98374-1

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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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INSTALLATION KIT

Part Number: HRS-98437-K12

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Lifters, Lifter,Chev BB, Mech Roller, Pro-Max, +.300, Pair

Part Number: HRS-91190-2

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LifterBB Chev Mech Rlr Pro-Max +.300

Part Number: HRS-91191L

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Lifters, Lifter, Chev LS, Mech Roller, Black Venom

Part Number: HRS-91029

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Lifter, SB Chev, Mech Rlr, Pro Max, +.300

Part Number: HRS-91192

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