CHEVROLET 7.4L/454 Manley Parts and Accessories

Cylinder Head Bolts, Hex Head, Steel, Natural, Chevy, Big Block, with Brodix, Merlin, Heads, 1-Head, Set

Part Number: MAN-42192

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Each

Part Number: MAN-11854-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Each

Part Number: MAN-11843-1

Not Yet Reviewed

Estimated Ship Date: Today

Cylinder Head Bolts, Steel, Natural, Hex Head, Chevy, Big Block, with Stock Heads, 1-Head, Set

Part Number: MAN-42170

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Each

Part Number: MAN-11881-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Each

Part Number: MAN-11815-1

Not Yet Reviewed

Estimated Ship Date: Today

Valves, Intake, NK-844, 2.350 in. Diameter, 0.342 in. Stem, 5.610 in. Length, Chevy, Set of 8

Part Number: MAN-11880-1

Not Yet Reviewed

Estimated Ship Date: Today

VALVE-R/M 2.300,+.250

Part Number: MAN-11870-1

Not Yet Reviewed

Estimated Ship Date: Today

Thrust Plate Roller Bearing, .150 in. Thickness, Chevy, Big and Small Block, Each

Part Number: MAN-42420

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Valve, Intake, NK-842 Stainless, 2.250 in. Diameter, .3415 in. Stem, 5.344 in. Length, Each

Part Number: MAN-11814-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Each

Part Number: MAN-11850-1

Not Yet Reviewed

Estimated Ship Date: Today

Connecting Rod Bolts, 12-Point, Cap Screw, 7/16 in. Thread, 1.600 in. Length, Chevy, H-Beam, Set of 4

Part Number: MAN-42361-4

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Each

Part Number: MAN-11856-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.610 in. Length, Chevy, Each

Part Number: MAN-11878-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valves, VALVE-BRODIX BB 383 1.850

Part Number: MAN-12339-1

Not Yet Reviewed

Estimated Ship Date: Today

VALVE-S/D 2.300,+.200

Part Number: MAN-11784-1

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Ford, Each

Part Number: MAN-11802-1

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .342 in. Stem, 5.494 in. Length, Universal, Each

Part Number: MAN-11868-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Intake, NK-842 Stainless, 2.190 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Each

Part Number: MAN-11894-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Intake, XH-426 Stainless, 2.300 in. Head Diameter, 5.244 in. Length, Chevy, Big Block, Each

Part Number: MAN-11730-1

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

• Drop Ship
• Special Order

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: Jan 6, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, XH-428 Stainless, 1.900 in. Head Diameter, 5.522 in. Length, Chevy, Big Block, Each

Part Number: MAN-11847-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 6, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, NK-844 Stainless Steel, 2.065 in. Diameter, .372 in. Stem, 5.325 in. Length, Chevy, Each

Part Number: MAN-11554-1

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Each

Part Number: MAN-11570-1

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

• Drop Ship
• Special Order

Cylinder Head Bolts, High Performance, Hex Head, Chevy, Big Block, Dart, Merlin, Bowtie Heads, 1 Head, Set

Part Number: MAN-42322

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

• Drop Ship
• Special Order