Availability
Valve, Race, NK-842 Stainless Steel, Intake, 2.165 in. Diameter, 4.900 in. Length, Each
Part Number: MAN-11620-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Race, XH-426 Stainless Steel, Exhaust, 1.590 in. Diameter, 4.923 in. Length, Each
Part Number: MAN-11621-1
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Estimated Ship Date: Tomorrow
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Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Each
Part Number: MAN-11854-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each
Part Number: MAN-11565-1
Estimated Ship Date: Tomorrow
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Timing Chain and Gears, Double Roller, Steel Sprockets, Chevy, Small Block, Kit
Part Number: MAN-73163
Estimated Ship Date: Tomorrow
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Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Each
Part Number: MAN-221422-1
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Estimated Ship Date: Tomorrow
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Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Each
Part Number: MAN-11843-1
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Estimated Ship Date: Tomorrow
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Valve, Intake, Stainless Steel, 2.055 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Each
Part Number: MAN-11390-1
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Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Intake, Stainless Steel, 2.000 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Each
Part Number: MAN-11360-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Each
Part Number: MAN-11881-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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Valve, Race Flo, Intake, Stainless, 4.911 in. Long, 1.84 in. Diameter, Chevy, Small Block, Each
Part Number: MAN-11506-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Each
Part Number: MAN-11539-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Exhaust, XH-426 Stainless Steel, 1.550 in. Diameter, .314 in. Stem, 4.923 in. Length, Each
Part Number: MAN-11361-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .314 in. Stem, 4.923 in. Length, Chevy, LS, Each
Part Number: MAN-11365-1
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
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: Tomorrow
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Valve, Intake, Stainless Steel, 2.020 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Each
Part Number: MAN-11362-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Intake, Stainless Steel, 2.100 in. Diameter, .313 in. Stem, 4.874 in. Length, Each
Part Number: MAN-11350-1
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.575 in. Diameter, .313 in. Stem, 4.923 in. Length, Chevy, Each
Part Number: MAN-11363-1
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.080 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Each
Part Number: MAN-11398-1
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Guideplates, Raised, 5/16 in. Pushrod Size, Chevy, Small Block, Set of 8
Part Number: MAN-42151-8
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Valves, Intake, NK-844, 2.350 in. Diameter, 0.342 in. Stem, 5.610 in. Length, Chevy, Set of 8
Part Number: MAN-11880-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Each
Part Number: MAN-11815-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
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VALVE-R/M 2.300,+.250
Part Number: MAN-11870-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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