Availability
Valve Springs, Dual, 1.580 in. Outside Diameter, 535 lbs./in. Rate, 1.170 in. Coil Bind Height, Set of 16
Part Number: MAN-221443P-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring Retainers, Titanium, 7 Degree Lock, 1.560 in. Outside Diameter, .745 in. Inside Diameter, Set of 16
Part Number: MAN-23705L-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring Retainers, Titanium, 10 Degree Lock, 1.660 in. Outside Diameter, .620 in. Inside Diameter, Set of 16
Part Number: MAN-23753-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Springs, Dual, 1.640 in. Outside Diameter, 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Set of 16
Part Number: MAN-221424P-16
Not Yet Reviewed
Valve Spring Retainers, Titanium, 10 Degree Lock, 1.500 in. Outside Diameter, .635 in. Inside Diameter, Set of 16
Part Number: MAN-23679-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring Retainers, Titanium, 7 Degree, 1.610 in. Outside Diameter, .825 in. Inside Diameter, Set of 16
Part Number: MAN-23681L-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Springs, Dual, 1.640 in. Outside Diameter, 604 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: MAN-221425P-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Springs, Triple, 1.677 in. Outside Diameter, 746 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: MAN-221447P-16
Not Yet Reviewed
Valve Springs, Dual, 1.550 in. Outside Diameter, 484 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16
Part Number: MAN-22430-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring Retainers, Titanium, 7 Degree, 1.550 in. Outside Diameter, .730 in. Inside Diameter, Set of 16
Part Number: MAN-23672-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Intake, NK-844 Stainless, 2.080 in. Head Diameter, 5.440 in. Length, Chevy, Small Block, Each
Part Number: MAN-11512-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 2.080 in. Head Diameter, 5.440 in. Length, Chevy, Small Block, Set of 8
Part Number: MAN-11512-8
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Intake, Severe Duty, Stainless Steel, 2.325 in. Diameter, 0.3415 in. Stem, 6.59 in. Length, Set of 8
Part Number: MAN-11580-8
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Intake, Severe Duty, Stainless Steel, 2.250 in. Diameter, 0.342 in. Stem, 5.725 in. Length, Each
Part Number: MAN-11586-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring Retainer, Titanium, 10 Degree, 1.650 in. Outside Diameter, .640 in. Inside Diameter, Each
Part Number: MAN-23562-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 533 lbs./in. Rate, 1.200 in. Coil Bind Height, Each
Part Number: MAN-221442-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring Retainer, Titanium, 7 Degree, 1.610 in. Outside Diameter, .825 in. Inside Diameter, Each
Part Number: MAN-23681L-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Springs, Triple, 1.677 in. Outside Diameter, 733 lbs./in. Rate, 1.142 in. Coil Bind Height, Set of 16
Part Number: MAN-221448P-16
Not Yet Reviewed
Valve, Intake, Stainless Steel, 2.250 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Set of 8
Part Number: MAN-12850-8
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring, Triple, 1.677 in. Outside Diameter, 733 lbs./in. Rate, 1.142 in. Coil Bind Height, Each
Part Number: MAN-221448P-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 2.150 in. Diameter, .3415 in. Stem, 5.440 in. Length, Set of 8
Part Number: MAN-11760-8
Not Yet Reviewed
VALVE-SB CHRY R/M 1.625
Part Number: MAN-11783-8
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.055 in. Diameter, Chevy, Small Block, Set of 8
Part Number: MAN-11828-8
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Set of 8
Part Number: MAN-11882-8
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Intake, Severe Duty, Stainless Steel, 2.250 in. Diameter, 0.309 in. Stem, 5.424 in. Length, Set of 8
Part Number: MAN-11904B-8
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
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