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Valve Springs, Dual, 1.640 in. Outside Diameter, 604 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: MAN-221425-1
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
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 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.250 in. Head Diameter, 5.594 in. Length, Chevy, Big Block, Each
Part Number: MAN-12898-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Each
Part Number: MAN-11845-1
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
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Estimated Ship Date: Monday 12/8/2025
Valve, Intake, NK-844 Stainless Steel, 2.065 in. Diameter, .372 in. Stem, 5.325 in. Length, Chevy, Each
Part Number: MAN-11554-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .313 in. Stem, 5.040 in. Length, Chevy, Each
Part Number: MAN-11231-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
VALVE-S/D 2.150,+.600
Part Number: MAN-11766-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve, Intake, Stainless Steel, 1.720 in. Head, 0.342 in. Stem, 4.911 in. Length, Chevy, Each
Part Number: MAN-12342-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve, Exhaust, XH-428 Stainless, 1.600 in. Diameter, .3415 in. Stem, 5.465 in. Length, Each
Part Number: MAN-11513-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.055 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Each
Part Number: MAN-11824-1
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Valve, Intake, Stainless Steel, 1.940 in. Diameter, .3415 in. Stem, 5.011 in. Length, Each
Part Number: MAN-11886-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.250 in. Diameter, .309 in. Stem, 5.424 in. Length, 426 Hemi, Each
Part Number: MAN-11904B-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.020 in. Diameter, .371 in. Stem, 4.980 in. Length, Mopar, Each
Part Number: MAN-11782-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.250 in. Diameter, .371 in. Stem, 5.454 in. Length, Ford, Each
Part Number: MAN-11804-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.655 in. Diameter, 0.3415 in. Stem, 5.067 in. Length, Each
Part Number: MAN-11807-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, Severe Duty, 1.900 in. Head Dia., 6 Degree Dish, Chevy, Big Block, Each
Part Number: MAN-11811-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, XH-428 Stainless, 1.810 in. Diameter, .3415 in. Stem, 5.369 in. Length, Each
Part Number: MAN-11813-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 4.926 in. Length, Chevy, Each
Part Number: MAN-11818-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Each
Part Number: MAN-11823-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.750 in. Diameter, .370 in. Stem, 5.426 in. Length, Ford, Each
Part Number: MAN-11825-1
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 2.100 in. Diameter, .342 in. Stem, 5.026 in. Length, Each
Part Number: MAN-11852-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, XH-428 Stainless Steel, 1.655 in. Diameter, 0.342 in. Stem, 5.167 in. Length, Ford, 351C, Each
Part Number: MAN-11853-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.600 in. Diameter, 0.3415 in. Stem, 5.565 in. Length, Each
Part Number: MAN-11767-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Each
Part Number: MAN-11772-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.165 in. Length, Chevy, Each
Part Number: MAN-11751-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
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