Availability
Valve, Intake, Stainless Steel, 1.720 in. Diameter, .342 in. Stem, 5.011 in. Length, Universal, Each
Part Number: MAN-11540-1
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
SPRING-1.500 DOUBLE
Part Number: MAN-221457-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valve Spring Retainer, Titanium, 7 Degree, 1.550 in. Outside Diameter, .730 in. Inside Diameter, Each
Part Number: MAN-23672-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valves, Exhaust, XH-428 Stainless, 1.600 in. Diameter, .3415 in. Stem, 5.465 in. Length, Set of 8
Part Number: MAN-11513-8
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 1.840 in. Diameter, .3415 in. Stem, 5.011 in. Length, Set of 8
Part Number: MAN-11540-8
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Valves, Intake, NK-844 Stainless Steel, 2.100 in. Head Diameter, 5.440 in Length, Chevy, Small Block, Set of 8
Part Number: MAN-11510-8
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring, Dual, 1.550 in. Outside Diameter, 484 lbs./in. Rate, 1.200 in. Coil Bind Height, Each
Part Number: MAN-22430-1
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Valve Springs/ Titanium Retainers, Nex Tek, 1.640 in. Outside Diameter, 604 lbs./in. Spring Rate, Kit
Part Number: MAN-261425L
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Valves, Intakes, Stainless Steel, 2.055 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Set of 8
Part Number: MAN-11824-8
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, .311 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11230-1
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, 1.940 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Set of 8
Part Number: MAN-11230-8
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, .311 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11232-1
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, 2.020 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Set of 8
Part Number: MAN-11232-8
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, .311 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11234-1
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, .274 in. Stem, 5.040 in. Length, Chevy, Each
Part Number: MAN-11235-1
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .274 in. Stem, 5.040 in. Length, Chevy, Set of 8
Part Number: MAN-11235-8
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, 1.940 in. Diameter, .274 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11236-1
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, .274 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11238-1
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, 2.020 in. Diameter, .274 in. Stem, 5.010 in. Length, Chevy, Set of 8
Part Number: MAN-11238-8
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, .274 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11240-1
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, 2.055 in. Diameter, .274 in. Stem, 5.010 in. Length, Chevy, Set of 8
Part Number: MAN-11240-8
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Valves, Exhaust, XH-428 Stainless, 1.500 in. Diameter, .3415 in. Stem, 5.036 in. Length, Set of 8
Part Number: MAN-11887-8
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, .341 in. Stem, 5.605 in. Length, Chevy, Each
Part Number: MAN-11898-1
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, .371 in. Stem, 4.970 in. Length, Mopar, Each
Part Number: MAN-11781-1
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, .371 in. Stem, 5.454 in. Length, Ford, Set of 8
Part Number: MAN-11804-8
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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