Availability
Valve, Exhaust, Severe Duty, Stainless Steel, 1.900 in. Diameter, 0.3415 in. Stem, 6.380 in. Length, Each
Part Number: MAN-11581-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, XH-428 Stainless, 1.810 in. Diameter, .3415 in. Stem, 5.369 in. Length, Each
Part Number: MAN-11813-1
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. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Each
Part Number: MAN-11842-1
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, 2.080 in. Diameter, .341 in. Stem, 4.926 in. Length, Chevy, Each
Part Number: MAN-11818-1
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, 2.055 in. Diameter, .341 in. Stem, 4.926 in. Length, Chevy, Each
Part Number: MAN-11828-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.936 in. Length, Chevy, Each
Part Number: MAN-11827-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.655 in. Diameter, 0.3415 in. Stem, 5.067 in. Length, Each
Part Number: MAN-11807-1
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, 2.190 in. Diameter, .372 in. Stem, 5.218 in. Length, Chevy, Each
Part Number: MAN-11832-1
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, 2.125 in. Diameter, .341 in. Stem, 5.340 in. Length, Chevy, Each
Part Number: MAN-11756-1
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, .341 in. Stem, 4.911 in. Length, Chevy, Each
Part Number: MAN-11830-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, Severe Duty, 1.900 in. Head Dia., 6 Degree Dish, Chevy, Big Block, Each
Part Number: MAN-11811-1
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, .341 in. Stem, 5.026 in. Length, Chevy, Each
Part Number: MAN-11826-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, XH-428 Stainless Steel, 1.655 in. Diameter, 0.342 in. Stem, 5.167 in. Length, Ford, 351C, Each
Part Number: MAN-11853-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.750 in. Diameter, .370 in. Stem, 5.426 in. Length, Ford, Each
Part Number: MAN-11825-1
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 2.100 in. Diameter, .342 in. Stem, 5.026 in. Length, Each
Part Number: MAN-11852-1
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, 2.250 in. Diameter, .371 in. Stem, 5.454 in. Length, Ford, Each
Part Number: MAN-11804-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Each
Part Number: MAN-11823-1
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, 2.072 in. Diameter, .342 in. Stem, 4.713 in. Length, Oldsmobile V8, Each
Part Number: MAN-11548-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, XH-428 Stainless Steel, 1.720 in. Diameter, .372 in. Stem, 5.354 in. Length, Chevy, Each
Part Number: MAN-11553-1
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, 2.055 in. Diameter, .341 in. Stem, 5.026 in. Length, Chevy, Each
Part Number: MAN-11846-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.600 in. Diameter, 0.3415 in. Stem, 5.565 in. Length, Each
Part Number: MAN-11767-1
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, 2.055 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Each
Part Number: MAN-11824-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.710 in. Diameter, .342 in. Stem, 4.668 in. Length, Oldsmobile V8, Each
Part Number: MAN-11547-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring, NexTek, Single Beehive, 1.126 in. O.D., 0.750 in. O.D., 0.880 in. Coil Bind Height, 330 lbs./in. Spring Rate, Each
Part Number: MAN-221434-1
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, 1.500 in. Diameter, 5.140 in. Length, Chevy, Small Block, Each
Part Number: MAN-11747-1
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.