Availability
Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Set of 16
Part Number: MAN-221422-16
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Intake, Stainless Steel, 2.000 in. Diameter, .342 in. Stem, 4.911 in. Length, Chevy, Set of 8
Part Number: MAN-10764-8
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
KIT-STREETROLLER BBC
Part Number: MAN-73168
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Valve, Intake, Severe Duty, Stainless Steel, 2.125 in. Diameter, 0.3415 in. Stem, 5.440 in. Length, Set of 8
Part Number: MAN-11508-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Springs/ Titanium Retainers, Nex Tek, 1.640 in. Outside Diameter, 647 lbs./in. Spring Rate, Kit
Part Number: MAN-261424L
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve, Intake, NK-842 Stainless, 2.250 in. Diameter, .3415 in. Stem, 5.344 in. Length, Each
Part Number: MAN-11814-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain and Gears, Double Roller, Billet Steel Sprockets, Chevy, LS3, Set
Part Number: MAN-73236
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Exhaust, XH-428 Stainless, 1.600 in. Diameter, .3415 in. Stem, 5.365 in. Length, Set of 8
Part Number: MAN-11755-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.880 in. Length, Chevy, Set of 8
Part Number: MAN-10650-8
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Exhaust, Titanium, 1.600 in. Diameter, .3110 in. Stem, 5.950 in. Length, Chevy, Each
Part Number: MAN-11969HTB-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .311 in. Stem, 5.240 in. Length, Chevy, Each
Part Number: MAN-11335-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Exhaust, Stainless Steel, 1.60 in. Diameter, .311 in. Stem, 5.040 in. Length, Chevy, Set of 8
Part Number: MAN-11305-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Intake, Stainless Steel, 1.940 in. Diameter, .3415 in. Stem, 4.951 in. Length, Chevy, Set of 8
Part Number: MAN-11860-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.951 in. Length, Chevy, Set of 8
Part Number: MAN-11863-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.936 in. Length, Chevy, Set of 8
Part Number: MAN-11827-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve, Exhaust, Titanium, 1.600 in. Diameter, .342 in. Stem, 4.960 in. Length, Universal, Each
Part Number: MAN-11463T-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8
Part Number: MAN-10722-8
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Intake, Stainless Steel, 2.100 in. Diameter, .342 in. Stem, 5.140 in. Length, Set of 8
Part Number: MAN-11330-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Camshaft Thrust Button, Roller, 0.850 in. Long, 0.875 in. Pilot Diameter, SBC, Steel, Each
Part Number: MAN-42111
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve, Intake, Stainless Steel, 2.250 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Each
Part Number: MAN-10726-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valves, Intake, NK-844, 2.350 in. Diameter, 0.342 in. Stem, 5.610 in. Length, Chevy, Set of 8
Part Number: MAN-11880-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Intake, NK-844 Stainless, 2.300 in. Diameter, .3415 in. Stem, 5.444 in. Length, Set of 8
Part Number: MAN-11784-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Each
Part Number: MAN-221422-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valves, Exhaust, XH-428 Stainless, 1.900 in. Diameter, 5.522 in. Length, Chevy, Big Block, Set of 8
Part Number: MAN-11847-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chevy, 7.4L, Each
Part Number: MAN-190170
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
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