Availability
1981 Manley Engines & Components
Valve, Intake, Stainless Steel, 2.125 in. Diameter, .342 in. Stem, 5.240 in. Length, Each
Part Number: MAN-11344-1
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, 1.625 in. Diameter, .311 in. Stem, 5.240 in. Length, Chevy, Each
Part Number: MAN-11345-1
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, 2.125 in. Diameter, .342 in. Stem, 5.340 in. Length, Chevy, Each
Part Number: MAN-11346-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, VALVE-R/M 1.625,+.600
Part Number: MAN-11347-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, VALVE-S/D 1.720,+.200
Part Number: MAN-11716-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, 2.190 in. Head Diameter, 9.42mm Stem Diameter, 5.244 in. Overall Length, Chevy, Each
Part Number: MAN-11718-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Exhaust, XH-426 Stainless Steel, 1.880 in. Diameter, .342 in. Stem, 5.552 in. Length, Chevy, Each
Part Number: MAN-11719-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, Intake, NK-842 Stainless, 2.300 in. Diameter, 0.371 in. Stem, 5.344 in. Length, Each
Part Number: MAN-11728-1
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, Severe Duty, Stainless Steel, 1.900 in. Diameter, 0.372 in. Stem, 5.364 in. Length, Each
Part Number: MAN-11593-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, Race Series, Stainless Steel, 2.100 in. Diameter, 0.342 in. Stem, 5.240 in. Length, Set of 8
Part Number: MAN-11594-1
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, 1.940 in. Head Dia, 7 Degree Dish, Chevy, Big Block, Each
Part Number: MAN-11561-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valve, Intake, Race Series, Stainless Steel, 2.080 in. Diameter, 0.3415 in. Stem, 5.240 in. Length, Set of 8
Part Number: MAN-11574-1
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, .311 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11230-1
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, 2.020 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11232-1
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, 2.055 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11234-1
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, 1.600 in. Diameter, .274 in. Stem, 5.040 in. Length, Chevy, Each
Part Number: MAN-11235-1
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, 2.020 in. Diameter, .274 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11238-1
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, 2.055 in. Diameter, .274 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11240-1
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, .342 in. Stem, 5.340 in. Length, Chevy, Each
Part Number: MAN-11324-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
VALVE-S/D 2.300,+.200
Part Number: MAN-12784-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
VALVE-BBC S/D 1.940
Part Number: MAN-12803-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
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