Camshafts & Valvetrain

Lifters, Performance, Hydraulic Flat Tappet, 0.842 in. Diameter, 2.068 in. Seat Height, Buick, Cadillac, V8, Set of 16

Part Number: HRS-91311-1

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Valve Spring, Dual, 1.290 in. Outside Diameter, 340 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: HRS-98116-1

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Valve Spring, Inverted Conical, Single, 1.450 in. O.D., 457 lbs./in. Rate, 1.320 in. Coil Bind Height, Each

Part Number: HRS-98117-1

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Valve Springs, Race Saver, 1.265", Each

Part Number: HRS-98213RS-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, 1.437 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, 300 lbs./in. Rate, 1.062 in. Coil Bind Height, Each

Part Number: HRS-98432-1

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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. OD, 455 lbs/in, 1.055 in. Coil Bind Height, Damper, Each

Part Number: HRS-98437-1

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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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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, 1.480 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 in. Outside Diameter, 341 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98611-1

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Valve Spring, Single, 1.265 in. Outside Diameter, 380 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: HRS-98215-1

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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, Mechanical Roller, 1.557 in. OD, 471 lb/in. Rate, 1.150 in. Coil Bind Height, Damper, Each

Part Number: HRS-98655-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 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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Rev Kit Replacement Parts, Each

Part Number: HRS-MRRKB2

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Pushrod, Chromoly, 5/16 in. Diameter, 7.750 in. Long, Universal, Each

Part Number: HRS-95009-1

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Pushrod, Chromoly, 5/16 in. Diameter, 7.950 in. Long, Universal, Each

Part Number: HRS-95013-1

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