Availability
Valves, Exhaust, XH-432 Extreme Alloy, 1.900 in. Diameter, .3715 in. Stem, 5.354 in. Length, Set of 8
Part Number: MAN-11507-8
Not Yet Reviewed
Valves, Intake, NK-844 Stainless Steel, 2.100 in. Head Diameter, 5.440 in Length, Chevy, Small Block, Set of 8
Part Number: MAN-11510-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.221 in. Length, Set of 8
Part Number: MAN-11579-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 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 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Exhaust, XH-432 Stainless Steel, 1.900 in. Diameter, .342 in. Stem, 6.380 in. Length, Set of 8
Part Number: MAN-11581-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Exhaust, Stainless Steel, 1.142 in. Diameter, .236 in. Stem, 3.902 in. Length, Toyota, Set of 12
Part Number: MAN-11123-12
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Intake, Stainless Steel, 1.323 in. Diameter, .236 in. Stem, 3.882 in. Length, Toyota, Set of 12
Part Number: MAN-11124-12
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Exhaust, Stainless Steel, 1.181 in. Diameter, .236 in. Stem, 3.902 in. Length, Toyota, Set of 12
Part Number: MAN-11125-12
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 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 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.600 in. Diameter, 0.3415 in. Stem, 5.565 in. Length, Set of 8
Part Number: MAN-11767-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Intake, Stainless Steel, 1.940 in. Diameter, .274 in. Stem, 5.010 in. Length, Chevy, Set of 8
Part Number: MAN-11236-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.020 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Set of 8
Part Number: MAN-11362H-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.055 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Set of 8
Part Number: MAN-11390H-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valve Springs, Dual, 1.160 in. O.D., 359 lbs./in. Rate, 1.070 in. Coil Bind Height, Set of 16
Part Number: MAN-22115-16
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Intake, XH-428 Stainless, 2.080 in. Head Diameter, 4.874 in. Length, Chevy, 5.7, 6.0L, Set of 8
Part Number: MAN-11682-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Severe Duty, 7 degree Dish, NK-844 Stainless, 2.100 in. Head Diameter, 5.211 in. Length, Set of 8
Part Number: MAN-11746-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Intake, NK-844 Stainless Steel, 2.000 in. Diameter, .313 in. Stem, 4.874 in. Length, Set of 8
Part Number: MAN-11360H-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valve, Severe Duty, XH-426 Stainless Steel, Exhaust, 1.600 in. Diameter, 4.923 in. Length, Each
Part Number: MAN-11677-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Exhaust, XH-428 Stainless, 1.625 in. Head Diameter, 5.465 in. Length, Chevy, Small Block, Set of 8
Part Number: MAN-11511-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Exhaust, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 6.400 in. Length, Chevy, Set of 8
Part Number: MAN-11583-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 1.600 in. Diameter, .3415 in. Stem, 5.140 in. Length, Set of 8
Part Number: MAN-11544-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
VALVE-E/D 1.625,+.100, Each
Part Number: MAN-11713-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valve, Intake, Severe Duty, Stainless Steel, 2.100 in. Diameter, 0.3415 in. Stem, 5.540 in. Length, Set of 8
Part Number: MAN-11770-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 2.100 in. Diameter, .342 in. Stem, 5.026 in. Length, Set of 8
Part Number: MAN-11852-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.725 in. Diameter, 0.3715 in. Stem, 5.464 in. Length, Set of 8
Part Number: MAN-11519-8
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
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