Camshafts & Valvetrain

Valve Spring, Dual, 1.437 in. Outside Diameter, 300 lbs./in. Rate, 1.062 in. Coil Bind Height, Each

Part Number: HRS-98432-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Button, SB Chev

Part Number: HRS-HRRKB-OE

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Rev Kit Replacement Parts, Each

Part Number: HRS-MRRKB1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HRS-98447-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HRS-98513-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HRS-98515-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HRS-98542-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HRS-98611-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HRS-98215-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

• Drop Ship
• Special Order

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

Part Number: HRS-98412-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Rev Kit Replacement Parts, Each

Part Number: HRS-MRRKB2

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HRS-95009-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HRS-95013-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Pushrod, Chromoly, 5/16 in. Diameter, 8.150 in. Long, Universal, Each

Part Number: HRS-95015-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Pushrod, Chromoly, 5/16 in. Diameter, 8.550 in. Long, Universal, Each

Part Number: HRS-95017-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Pushrod, Chromoly, 5/16 in. Diameter, 7.150 in. Length, Universal, Each

Part Number: HRS-95021-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Pushrod, Swedged End, Chromoly, 5/16 in. Diameter, Ball/Ball Ends, 6.500 in. Length, Each

Part Number: HRS-95003-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Pushrod, Swedged End, Chromoly, 5/16 in. Diameter, Ball/Ball Ends, 6.350 in. Length, Each

Part Number: HRS-95004-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Pushrod, Swedged End, Chromoly, 5/16 in. Diameter, Ball/Ball Ends, 6.700 in. Length, Each

Part Number: HRS-95005-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Pushrod, Swedged End, Chromoly, 5/16 in. Diameter, Ball/Ball Ends, 7.250 in. Length, Each

Part Number: HRS-95006-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order

Pushrod, Chromoly, 5/16 in. Diameter, 6.800 in. Long, Universal, Each

Part Number: HRS-95007-1

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Special Order