CHEVROLET Manley Engines & Components

Valve, Exhaust, Extreme Duty, XH-432 Xtreme Alloy, 1.90 in Diameter, 0.3415 in. Stem, 6.45 in Length, Set of 8

Part Number: MAN-11597-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Intake, Stainless Steel, 2.055 in. Diameter, .342 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-11598-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valves, Intake, Stainless Steel, 2.055 in. Diameter, .342 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-11598-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Exhaust, Severe Duty, Stainless Steel, 1.940 in. Diameter, 0.3715 in. Stem, 5.464 in. Length, Each

Part Number: MAN-11533-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Severe Duty, Stainless Steel, 2.250 in. Diameter, 0.372 in. Stem, 5.433 in. Length, Each

Part Number: MAN-11534-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valves, Intake, NK-844 Stainless, 2.250 in. Diameter, .3720 in. Stem, 5.433 in. Length, Set of 8

Part Number: MAN-11534-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Exhaust, XH-428 Stainless, 1.900 in. Head Diameter, 5.464 in. Length, Chevy, Big Block, Each

Part Number: MAN-11535-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valves, Exhaust, NK-844 Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.433 in. Length, Set of 8

Part Number: MAN-11536-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, Exhaust, Stainless Steel, 1.625 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Set of 8

Part Number: MAN-11537-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, Intake, NK-844 Stainless, 1.840 in. Diameter, .3415 in. Stem, 5.011 in. Length, Set of 8

Part Number: MAN-11540-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 4.911 in. Length, Each

Part Number: MAN-11541-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.021 in. Length, Each

Part Number: MAN-11569-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valves, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Set of 8

Part Number: MAN-11570-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.121 in. Length, Each

Part Number: MAN-11571-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.121 in. Length, Each

Part Number: MAN-11571-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Exhaust, Severe Duty, Stainless Steel, 1.600 in. Diameter, 0.3415 in. Stem, 4.965 in. Length, Each

Part Number: MAN-11573-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Race Series, Stainless Steel, 2.080 in. Diameter, 0.3415 in. Stem, 5.240 in. Length, Set of 8

Part Number: MAN-11574-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 1.625 in. Diameter, .342 in. Stem, 5.165 in. Length, Each

Part Number: MAN-11577-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valves, Exhaust, XH-428 Stainless, 1.625 in. Diameter, .3415 in. Stem, 5.165 in. Length, Set of 8

Part Number: MAN-11577-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.221 in. Length, Each

Part Number: MAN-11579-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Severe Duty, Stainless Steel, 2.325 in. Diameter, 0.3415 in. Stem, 6.59 in. Length, Each

Part Number: MAN-11580-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 6.400 in. Length, Chevy, Each

Part Number: MAN-11583-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 4.936 in. Length, Each

Part Number: MAN-11585-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 4.936 in. Length, Set of 8

Part Number: MAN-11585-8

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Intake, Titanium, 2.300 in. Diameter, 0.342 in. Stem, 5.522 in. Length, Each

Part Number: MAN-11482-1

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order