Howards Cams Max Effort Mechanical Roller Valve Springs

5.0 out of 5 stars 3 Customer Reviews

Howards Cams Max Effort mechanical roller valve springs are made using only the highest quality valve spring wire. CNC-coiled and heat-treated in the finest facilities available, these valve springs are stress-relieved, ground, and shot-peened. Whether you're running a flat tappet or roller cam in your drag race, Circle Track, road course, performance marine, or other extreme race application, Howards offers the perfect valve springs to suit your needs.

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Howards Cams Max Effort Mechanical Roller Valve Springs 98541

Howards Cams Max Effort Mechanical Roller Valve Springs 98541

Valve Springs, Dual, 1.500 in. Outside Diameter, 475 lbs./in. Rate, 1.040 in. Coil Bind Height, Set of 16

Part Number: HRS-98541

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Howards Cams Max Effort Mechanical Roller Valve Springs 98633

Valve Springs, Dual, 1.540 in. Outside Diameter, 486 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: HRS-98633

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Howards Cams Max Effort Mechanical Roller Valve Springs 98630

Valve Springs, Dual, 1.539 in. Outside Diameter, 510 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: HRS-98630

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Howards Cams Max Effort Mechanical Roller Valve Springs 98441

Valve Spring, Dual, 1.437 in. Outside Diameter, 375 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16

Part Number: HRS-98441

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Howards Cams Max Effort Mechanical Roller Valve Springs 98634

Valve Springs, Dual, 1.540 in. Outside Diameter, 380 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: HRS-98634

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Howards Cams Max Effort Mechanical Roller Valve Springs 98431

Valve Springs, Dual, 1.437 in. Outside Diameter, 380 lbs./in. Rate, 1.250 in. Coil Bind Height, Set of 16

Part Number: HRS-98431

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Howards Cams Max Effort Mechanical Roller Valve Springs 98635

Valve Springs, Dual, 1.557 in. Outside Diameter, 471 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: HRS-98635

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

Howards Cams Max Effort Mechanical Roller Valve Springs 98732

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

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

Howards Cams Max Effort Mechanical Roller Valve Springs 98732-1

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

Part Number: HRS-98732-1

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

Howards Cams Max Effort Mechanical Roller Valve Springs 98635-1

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

Part Number: HRS-98635-1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Howards Cams Max Effort Mechanical Roller Valve Springs 98431-1

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

Part Number: HRS-98431-1

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

Howards Cams Max Effort Mechanical Roller Valve Springs 98541-1

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

Part Number: HRS-98541-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

Howards Cams Max Effort Mechanical Roller Valve Springs 98630-1

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

Part Number: HRS-98630-1

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

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