Availability
Valves
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: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Valve, Exhaust, XH-426 Stainless, 1.880 in. Diameter, .3415 in. Stem, 5.522 in. Length, Each
Part Number: MAN-11761-1
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .342 in. Stem, Stock Length, 5.422 in. Length, Each
Part Number: MAN-10881-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valves, Exhaust, Severe Duty, Stainless Steel, 1.880 in.Diameter, 0.311 in. Stem, 5.422 in. Length, Set of 8
Part Number: MAN-12815-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve, Exhaust, XH-432 Xtreme Alloy, 1.880 in. Head Diameter, 5.454 in. Length, Chevy, Big Block, Each
Part Number: MAN-11731-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve, Exhaust, Race, Stainless Steel, 1.88 in. Dia., +.100 Long, Chevy, Big Block, 396, 427, 454, 502, Each
Part Number: MIL-45136-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valves, Performance Series, Exhaust, 7 degree Dish, Stainless Steel, 1.880 in. Head Diameter, 0.344 in. Stem Diameter, 5.422 in. Length, Set of 8
Part Number: EW1-216188-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .342 in. Stem, Stock Length, 5.422 in. Length, Each
Part Number: MAN-10881-8
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.522 in. Length, Each
Part Number: MAN-11515-1
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
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: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Valve, Exhaust, XH-426 Stainless Steel, 1.880 in. Diameter, .342 in. Stem, 5.552 in. Length, Chevy, Each
Part Number: MAN-11719-1
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.880 in. Diameter, 0.342 in. Stem, 5.655 in. Length, Set of 8
Part Number: MAN-11591-8
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Valves, Exhaust, Severe Duty, Stainless Steel, 1.880 in.Diameter, 0.311 in. Stem, 5.422 in. Length, Set of 8
Part Number: MAN-12815-8
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Head Diameter, 5.422 in. Length, Chevy, Big Block, Each
Part Number: MAN-12843-1
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Head Diameter, 5.422 in. Length, Chevy, Big Block, Each
Part Number: MAN-12843-8
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.070 in. Length, Ford, Each
Part Number: MAN-11829-1
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Valves, Exhaust, Race, Stainless Steel, 1.88 in. Diameter, Chevy, Big Block, 396, 427, 454, 502, Set of 8
Part Number: MIL-45135-8
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Valves, Exhaust, Race, Stainless Steel, 1.88 in. Dia., +.350 Long, Big Chevy, 396, 427, 454, 502, Set of 8
Part Number: MIL-45137-8
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Valve, Exhaust, Race, Stainless Steel, 1.88 in. Diameter, Mopar, Big Block, 383-440, Each
Part Number: MIL-45265-1
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Valves, Exhaust, Race, Stainless Steel, 1.88 in. Diameter, Mopar, Big Block, 383 - 440, Set of 8
Part Number: MIL-45265-8
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
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