Valves - 8.66mm Exhaust Valve Stem Diameter (mm) - 5.422 in. Exhaust Overall Valve Length (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Manley Severe Duty Series Stainless Steel Valves 11843-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Part Number: MAN-11843-8

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Manley Race Series Stainless Steel Valves 11881-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Part Number: MAN-11881-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Manley Severe Duty Series Stainless Steel Valves 11843-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Each

Part Number: MAN-11843-1

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Manley Race Series Stainless Steel Valves 11881-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Each

Part Number: MAN-11881-1

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Estimated Ship Date: Monday 10/27/2025

Manley Extreme Duty Series Stainless Steel Valves 11743-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Ford, Set of 8

Part Number: MAN-11743-8

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 9, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Trick Flow® Replacement Valves TFS-41300212

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

...Loading

Manley Severe Duty Series Stainless Steel Valves 11817-8

Valves, Exhaust, Stainless Steel, 1.900 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Part Number: MAN-11817-8

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 8, 2025 if ordered today

Manley Extreme Duty Series Stainless Steel Valves 11743-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Ford, Each

Part Number: MAN-11743-1

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 8, 2025 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11817-1

Valve, Exhaust, XH-428 Stainless, 1.900 in. Diameter, .3415 in. Stem, 5.422 in. Length, Each

Part Number: MAN-11817-1

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 8, 2025 if ordered today