Availability
Valve Lock, LocCap, Machined, Steel, 7 Degree, 1-Groove, 0.372 in. Valve Stem, Pair
Part Number: MAN-13395-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: MAN-221431-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
SPRING-1.311 SINGLE HEMI
Part Number: MAN-221431-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
SINGLE SPRING
Part Number: MAN-221432-1
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, 2.300 in. Head Diameter, 5.494 in. Length, Chevy, Big Block, Set of 8
Part Number: MAN-12854-1
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, 1.150 in. Spring Diameter, 0.835 in. Inside Diameter, Each
Part Number: MAN-23165-1
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, .274 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11238-1
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, .274 in. Stem, 5.010 in. Length, Chevy, Set of 8
Part Number: MAN-11238-8
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, 2.055 in. Diameter, .274 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11240-1
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, 2.055 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 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.100 in. Head, 0.314 in. Stem, 5.030 in. Length, Chevy, Set of 8
Part Number: MAN-12338-8
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 7 Degree Lock, 1.311 in. Spring O.D., Kit
Part Number: MAN-26382038KS
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 7 Degree Lock, 1.311 in. Spring O.D., Kit
Part Number: MAN-26382538KS
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring and Retainer Kit, Single, 5.5mm Stem Diameter, 6 Degree Titanium Retainers, 0.990 in. Outside Diameter, Kit
Part Number: MAN-26205
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Lock, LocCap, Machined, Steel, 10 Degree, 1-Groove Beadlock, 0.342 in. Valve Stem, Pair
Part Number: MAN-13461-1
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, 1.600 in. Diameter, .3415 in. Stem, 4.921 in. Length, Set of 8
Part Number: MAN-11551-8
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, 2.400 in. Diameter, 0.342 in. Stem, 5.725 in. Length, Each
Part Number: MAN-11590-1
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, 2.055 in. Diameter, .342 in. Stem, 4.911 in. Length, Chevy, Set of 8
Part Number: MAN-11598-8
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.121 in. Length, Chevy, Set of 8
Part Number: MAN-11865-8
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring, Dual, 1.340 in. Outside Diameter, 394 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16
Part Number: MAN-221435-16
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Intake, 2.350 in. Diameter, Stainless Steel, 0.350 in. Over Installed Length, Chevy, Big Block, Each
Part Number: MAN-12880-1
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, 1.290 in. Outside Diameter, .674 in. Inside Diameter, Set of 16
Part Number: MAN-23623-16
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, 2.165 in. Diameter, .313 in. Stem, 4.900 in. Length, Each
Part Number: MAN-11686-1
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 Spring, Triple, 1.677 in. Outside Diameter, 720 lbs./in. Rate, 1.142 in. Coil Bind Height, Each
Part Number: MAN-221449-1
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, 1.625 in. Outside Diameter, .765 in. Inside Diameter, Set of 16
Part Number: MAN-23655-16
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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