CHEVROLET Valves - 0.371 in. Exhaust Valve Stem Diameter (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Race Valves for Chevrolet SUM-V8030-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

Part Number: SUM-V8030-8

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Race Valves for Chevrolet SUM-V8030-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Each

Part Number: SUM-V8030-1

Not Yet Reviewed

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Manley Extreme Duty Series Stainless Steel Valves 11587-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Set of 8

Part Number: MAN-11587-8

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Manley Street Flo Valves 10717-8

Valves, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

Part Number: MAN-10717-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Manley Race Series Stainless Steel Valves 11527-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

Part Number: MAN-11527-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Street Flo Valves 10727-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

Part Number: MAN-10727-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Manley Severe Duty Pro Flo Series Stainless Steel Valves 11831-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Set of 8

Part Number: MAN-11831-8

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Milodon Street Stainless Valves 45630-8

Valves, Exhaust, Stainless Steel, 1.725 in. Diameter, Chevy, Big Block, 396, 427, 454, 502, Set of 8

Part Number: MIL-45630-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Race Series Stainless Steel Valves 11517-8

Valves, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 In. Stem, 5.350 in. Length, Chevy, Set of 8

Part Number: MAN-11517-8

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11563-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Set of 8

Part Number: MAN-11563-8

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Race Series Stainless Steel Valves 11515-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.522 in. Length, Chevy, Set of 8

Part Number: MAN-11515-8

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Milodon Street Stainless Valves 45635-8

Valves, Exhaust, Stainless Steel, 1.88 in. Diameter, Chevy, Big Block, 396, 427, 454, 502, Set of 8

Part Number: MIL-45635-8

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Race Valves for Chevrolet SUM-V8030-1

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Manley Street Flo Valves 10727-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Each

Part Number: MAN-10727-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Race Series Stainless Steel Valves 11517-1

Valve, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Each

Part Number: MAN-11517-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Race Series Stainless Steel Valves 11527-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Each

Part Number: MAN-11527-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Race Series Stainless Steel Valves 11525-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.474 in. Length, Chevy, Set of 8

Part Number: MAN-11525-8

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Manley Extreme Duty Series Stainless Steel Valves 11587-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Each

Part Number: MAN-11587-1

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11831-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Each

Part Number: MAN-11831-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Street Flo Valves 10717-1

Valve, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Each

Part Number: MAN-10717-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Race Series Stainless Steel Valves 11525-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.474 in. Length, Chevy, Each

Part Number: MAN-11525-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Milodon Megaflow Competition Valves 45135-8

Valves, Exhaust, Race, Stainless Steel, 1.88 in. Diameter, Chevy, Big Block, 396, 427, 454, 502, Set of 8

Part Number: MIL-45135-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11563-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Each

Part Number: MAN-11563-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11561-1

Valve, Exhaust, Severe Duty, Stainless Steel, 1.940 in. Head Dia, 7 Degree Dish, Chevy, Big Block, Each

Part Number: MAN-11561-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11835-1

Valve, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Each

Part Number: MAN-11835-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11835-8

Valves, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Set of 8

Part Number: MAN-11835-8

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today