Availability
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 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Each
Part Number: MAN-11850-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
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 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Lash Caps, Steel, 5/16 in. Valve Stem, .080 in. Thick, Set of 8
Part Number: MAN-42300-8
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, Dual, 1.640 in. Outside Diameter, 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Each
Part Number: MAN-221424-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Wear Caps, Valve Stem, .3715 in. Stem Diameter, .080 in. Thick, Standard Type, Set of 16
Part Number: MAN-42108-16
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve, Intake, NK-844 Stainless, 2.250 in. Diameter, .3085 in. Stem, 5.424 in. Length, Each
Part Number: MAN-11904-1
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Valve Spring, Dual, 1.550 in. Outside Diameter, 614 lbs./in. Rate, 1.080 in. Coil Bind Height, Each
Part Number: MAN-22440-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valves, Exhaust, XH-428 Stainless, 1.610 in. Head Diameter, 5.230 in. Length, Chevy, 7.0L LS, Set of 8
Part Number: MAN-11679-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valves, VALVE-BRODIX BB 383 1.850
Part Number: MAN-12339-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.610 in. Length, Chevy, Each
Part Number: MAN-11878-1
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve, Exhaust, Severe Duty, Stainless Steel, 1.880 in. Diameter, 0.342 in. Stem, 5.655 in. Length, Each
Part Number: MAN-11591-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
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 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring Retainers, Titanium, 10 Degree Lock, 1.500 in. Outside Diameter, 0.705 in. Inside Diameter, Each
Part Number: MAN-23679-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each
Part Number: MAN-11596-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .3415 in. Stem, 4.921 in. Length, Each
Part Number: MAN-11551-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
VALVE-S/D 1.625,+.100
Part Number: MAN-11851-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
VALVE-S/D 2.300,+.200
Part Number: MAN-11784-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each
Part Number: MAN-11543-1
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Each
Part Number: MAN-11570-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, Triple, 1.677 in. Outside Diameter, 746 lbs./in. Rate, 1.160 in. Coil Bind Height, Each
Part Number: MAN-221447-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Spring, Nex Tek, Dual, 1.324 in. Outside Diameter, 435 lbs/in., Each
Part Number: MAN-221421-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valves, Intake, Stainless Steel, 2.205 in. Diameter, 0.313 in. Stem, 5.200 in. Length, Chevy, Set of 8
Part Number: MAN-11688-1
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Valves, Exhaust, Stainless Steel, 1.940 in. Diameter, .3415 in. Stem, 5.140 in. Length, Chevy, Small Block, Each
Part Number: MAN-11748-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, XH-428 Stainless, 1.900 in. Head Diameter, 5.522 in. Length, Chevy, Big Block, Each
Part Number: MAN-11847-1
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
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