Availability
1980 Manley Parts and Accessories
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 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 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 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 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 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
VALVE-S/D 2.100,+.200
Part Number: MAN-11862-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Each
Part Number: MAN-11882-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
VALVE-S/D 2.300,+.200
Part Number: MAN-12784-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
VALVE-BBC S/D 1.940
Part Number: MAN-12803-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.250 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Each
Part Number: MAN-12850-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Each
Part Number: MAN-11780-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
VALVE-S/D 2.080,+.400
Part Number: MAN-11764-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Exhaust, Race Master, Stainless Steel, 1.900 in. Diameter, 0.3415 in. Stem, 5.422 in. Length, Each
Part Number: MAN-11765-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Exhaust, 1.900 in. Head Diameter, 8.68mm Stem Diameter, 5.522 in. Overall Length, Chevy, Each
Part Number: MAN-11769-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Intake, Severe Duty, Stainless Steel, 2.100 in. Diameter, 0.3415 in. Stem, 5.540 in. Length, Each
Part Number: MAN-11770-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.900 in. Diameter, .344 in. Stem, 5.522 in. Length, Each
Part Number: MAN-11775-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
VALVE-BBC R/M 1.940,+.100
Part Number: MAN-11777-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Race, NK-844 Stainless Steel, Intake, 2.125 in. Diameter, 5.240 in. Length, Chevy, Set of 8
Part Number: MAN-11778-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.070 in. Length, Ford, Each
Part Number: MAN-11829-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Each
Part Number: MAN-11835-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.100 in. Diameter, .342 in. Stem, 5.111 in. Length, Chevrolet, Small Block Gen 1, Each
Part Number: MAN-11744-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 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-11746-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.100 in. Diameter, .341 in. Stem, 5.240 in. Length, Chevy, Each
Part Number: MAN-11750-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
VALVE-S/D 2.100,+.400
Part Number: MAN-11752-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
VALVE-S/D 2.125,+.300
Part Number: MAN-11754-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .3415 in. Stem, 5.365 in. Length, Each
Part Number: MAN-11755-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
VALVE-S/D 2.300,+.200
Part Number: MAN-11784-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
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