Availability
1989 Manley Engines & Components
Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.494 in. Length, Chevy, Big Block, Set of 8
Part Number: MAN-12854-8
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, Intake, Severe Duty, Stainless Steel, 2.250 in.Diameter, 0.311 in. Stem, 5.494 in. Length, Set of 8
Part Number: MAN-12856-8
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.594 in. Length, Chevy, Big Block, Set of 8
Part Number: MAN-12878-8
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 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: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.140 in. Length, Chevy, Each
Part Number: MAN-11858-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, Stainless Steel, 1.940 in. Diameter, .3415 in. Stem, 4.951 in. Length, Each
Part Number: MAN-11860-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .3415 in. Stem, 4.951 in. Length, Each
Part Number: MAN-11861-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
VALVE-S/D 2.100,+.200
Part Number: MAN-11862-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.021 in. Length, Each
Part Number: MAN-11569-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.021 in. Length, Set of 8
Part Number: MAN-11569-8
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.121 in. Length, Each
Part Number: MAN-11571-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.600 in. Diameter, 0.3415 in. Stem, 4.965 in. Length, Each
Part Number: MAN-11573-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.221 in. Length, Each
Part Number: MAN-11579-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, Severe Duty, Stainless Steel, 2.325 in. Diameter, 0.3415 in. Stem, 6.59 in. Length, Each
Part Number: MAN-11580-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
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: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, NK-844 Stainless, 2.400 in. Diameter, .3415 in. Stem, 6.600 in. Length, Each
Part Number: MAN-11582-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, Exhaust, Titanium, 1.625 in. Diameter, .3415 in. Stem, 5.660 in. Length, Chevy, Ford, Chrysler, Each
Part Number: MAN-11475HTB-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, VALVE-TI 2.100,5.140 BEAD LOC
Part Number: MAN-11478HTBC-1
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, VALVE-TI 2.100,5.140 BEAD LOC
Part Number: MAN-11478HTBC-8
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, Exhaust, Titanium, 1.900 in. Diameter, .342 in. Stem, 5.440 in. Length, Each
Part Number: MAN-11481B-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, Exhaust, Titanium, 1.900 in. Diameter, .342 in. Stem, 5.440 in. Length, Each
Part Number: MAN-11481B-8
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, Intake, Titanium, 2.300 in. Diameter, .342 in. Stem, 5.522 in. Length, Chevy, Set of 8
Part Number: MAN-11482-8
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.605 in. Length, Chevy, Each
Part Number: MAN-11898-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
TITANIUM VALVE
Part Number: MAN-11922T-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.190 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Ford, Each
Part Number: MAN-11800-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster