Manley Street Flo Valves

4.91 out of 5 stars 22 Customer Reviews

Manley Street Flo valves are excellent-quality valves at an affordable price. All are made from stainless steel (intakes are NK-841; exhausts are XH-424) with chrome stems and hardened valve tips. Street Flo series valves are fully machined and swirl polished, and both the materials used and the heat-treating process are superior to those of the Budget replacement series valves. They're available in a variety of head diameters, with either straight stems or undercut "Pro Flo" stems for increased flow. Order the set that's compatible with your vehicle and engine application.

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Manley Street Flo Valves 10726-1

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Each

Part Number: MAN-10726-1

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Manley Street Flo Valves 10765-1

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-10765-1

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Manley Street Flo Valves 10721-1

Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-10721-1

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Manley Street Flo Valves 10722-1

Valve, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-10722-1

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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

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Manley Street Flo Valves 10728-1

Valve, Intake, Stainless Steel, 2.190 in. Diameter, .372 in. Stem, 5.218 in. Length, Chevy, Each

Part Number: MAN-10728-1

5.0 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 Street Flo Valves 10778-1

Valve, Intake, Stainless Steel, 1.850 in. Diameter, .342 in. Stem, 5.075 in. Length, Ford, Each

Part Number: MAN-10778-1

5.0 out of 5 stars ( 1 )

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Manley Street Flo Valves 10745-1

VALVE-SBC S/F 1.600,+.100

Part Number: MAN-10745-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Manley Street Flo Valves 10705-1

Valve, Exhaust, Stainless Steel, 1.5 in. Diameter, .342 in. Stem, 5.035 in. Length, Each

Part Number: MAN-10705-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Manley Street Flo Valves 10775-1

Valve, Exhaust, Stainless Steel, 1.550 in. Diameter, .341 in. Stem, 5.080 in. Length, Ford, Each

Part Number: MAN-10775-1

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Manley Street Flo Valves 10766-1

Valve, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-10766-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Manley Street Flo Valves 10796-1

Valves, Street Flo, Intake, Stainless Steel, 2.02 in. Diameter, .342 in. Stem, 5.040 in. Length, Chevy, Set of 8

Part Number: MAN-10796-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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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Manley Street Flo Valves 10749-1

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Diameter, Chevy, Each

Part Number: MAN-10749-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Need It Sooner? We recommend these similar substitute parts:

Manley Budget Series Performance Valves 10549-8

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Manley Street Flo Valves 10723-1

Valves, Exhaust, Stainless Steel, 1.465 in. Diameter, .342 in. Stem, 5.080 in. Length, Ford, Each

Part Number: MAN-10723-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Manley Street Flo Valves 10714-1

Valve, Intake, Stainless Steel, 1.600 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Each

Part Number: MAN-10714-1

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

Need It Sooner? We recommend these similar substitute parts:

Melling Valves V1107

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Manley Street Flo Valves 10724-1

Valve, Intake, Stainless Steel, 1.940 in. Diameter, .342 in. Stem, 5.025 in. Length, Set of 8

Part Number: MAN-10724-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Manley Street Flo Valves 10768-1

Valve, Intake, 2.055 in. Head Diameter, 8.68mm Stem Diameter, 4.911 in. Overall Length, Chevy, Set of 8

Part Number: MAN-10768-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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