Availability
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: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valves, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8
Part Number: MAN-10722-8
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Valves, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Set of 8
Part Number: MAN-11856-8
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8
Part Number: MAN-10765-8
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valves, Exhaust, Stainless Steel, 1.500 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8
Part Number: MAN-10721-8
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valve, Exhaust, XH-428 Stainless Steel, 1.625 in. Head Diameter, 5.465 in. Length, Chevy, Small Block, Each
Part Number: MAN-11511-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each
Part Number: MAN-11565-1
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Each
Part Number: MAN-221422-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.610 in. Length, Chevy, Set of 8
Part Number: MAN-11878-8
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valves, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8
Part Number: MAN-10766-8
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valve, Exhaust, Titanium, 1.880 in. Diameter, .3415 in. Stem, 5.440 in. Length, Each
Part Number: MAN-11479-1
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valves, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.140 in. Length, Chevy, Set of 8
Part Number: MAN-11858-8
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valves, Intake, Stainless Steel, 2.065 in. Diameter, .371 In. Stem, 5.218 in. Length, Chevy, Set of 8
Part Number: MAN-11514-8
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Each
Part Number: MAN-11815-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valves, Intake, NK-844, 2.350 in. Diameter, 0.342 in. Stem, 5.610 in. Length, Chevy, Set of 8
Part Number: MAN-11880-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Each
Part Number: MAN-11539-1
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Each
Part Number: MAN-11856-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: MAN-221438-16
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valve Spring, Dual, 1.290 in. Outside Diameter, 377 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: MAN-221436-16
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valves, Intake, Stainless Steel, 2.250 in. Diameter, .372 in. Stem, 5.218 in. Length, Chevy, Set of 8
Part Number: MAN-11562-8
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valves, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.026 in. Length, Chevy, Set of 8
Part Number: MAN-11844-8
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.910 in. Length, Chevy, Set of 8
Part Number: MAN-10649-8
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Valve, Exhaust, Stainless Steel, 1.900 in. Diameter, .342 in. Stem, 5.422 in. Length, Set of 8
Part Number: MAN-11745-8
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valves, Intake, NK-842 Stainless, 2.250 in. Diameter, .3415 in. Stem, 5.344 in. Length, Set of 8
Part Number: MAN-11814-8
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Valves, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.880 in. Length, Chevy, Set of 8
Part Number: MAN-10476-8
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.