1977 Manley Parts and Accessories

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 2.110 in. Diameter, .342 in. Stem, 5.100 in. Length, Pontiac V8, Each

Part Number: MAN-11364-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 13, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.341 in. Stem, 5.065 in. Length, Each

Part Number: MAN-11797-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valves, Exhaust, Stainless Steel, 1.625 in. Diameter, .3415 in. Stem, 5.165 in. Length, Chevy, Small Black, Each

Part Number: MAN-11799-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 2.080 in. Diameter, .342 in. Stem, 5.140 in. Length, Chevy, Each

Part Number: MAN-11320-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .372 in. Stem, 5.218 in. Length, Chevy, Each

Part Number: MAN-11562-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valves, Exhaust, XH-426 Stainless, 1.900 in. Diameter, .3715 in. Stem, 5.422 in. Length, Set of 8

Part Number: MAN-11707-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valve, SBC intake, 2.080 +.300 Pro Flo, set of 8

Part Number: MAN-11740-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

VALVE-S/D 2.100,+.400

Part Number: MAN-11752-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 2.190 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Ford, Each

Part Number: MAN-11822-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 1.760 in. Diameter, .341 in. Stem, 5.167 in. Length, Ford, Each

Part Number: MAN-11801-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Race Master, Stainless Steel, 2.080 in. Head Dia, 7 Degree Dish, Chevy, Small Block, Each

Part Number: MAN-11806-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, Stainless Steel, 1.940 in. Diameter, .342 in. Stem, 5.522 in. Length, Chevy, Each

Part Number: MAN-11809-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

VALVE-S/D 2.300,+.200

Part Number: MAN-12784-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

VALVE-BBC S/D 1.940

Part Number: MAN-12803-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order