CHEVROLET 7-0L-427 CHEVY-BIG-BLOCK-MARK-IV Manley Parts and Accessories

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Set of 8

Part Number: MAN-11815-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Set of 8

Part Number: MAN-11587-8

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Estimated Ship Date: Monday 1/12/2026

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

Part Number: MAN-42249-4

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Estimated Ship Date: Monday 1/12/2026

Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Set of 8

Part Number: MAN-11854-8

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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Part Number: MAN-11843-8

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Valves, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Set of 8

Part Number: MAN-11850-8

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Cap Screws, Connecting Rod, ARP 2000, 7/16 in., Set of 4

Part Number: MAN-42390-4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

Valves, Exhaust, Stainless Steel, 1.725 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

Part Number: MAN-10717-8

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Estimated Ship Date: Monday 1/12/2026

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Valve Springs, Dual, 1.437 in. Outside Diameter, 391 lbs./in. Rate, 1.085 in. Coil Bind Height, Set of 16

Part Number: MAN-22407-16

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Valves, Intake, Stainless Steel, 2.065 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Set of 8

Part Number: MAN-10714-8

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/12/2026

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Valves, Intake, Stainless Steel, 2.190 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Set of 8

Part Number: MAN-10728-8

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Estimated Ship Date: Monday 1/12/2026

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Valves, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Set of 8

Part Number: MAN-11856-8

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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Part Number: MAN-11881-8

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Estimated Ship Date: Monday 1/12/2026

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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

Part Number: MAN-11527-8

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VALVE-TI 2.350,+.250

Part Number: MAN-11484-8

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Valve Springs, Single, 1.550 in. Outside Diameter, 460 lbs./in. Rate, 1.190 in. Coil Bind Height, Set of 16

Part Number: MAN-22406-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.350 in. Length, Chevy, Set of 8

Part Number: MAN-10727-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.610 in. Length, Chevy, Set of 8

Part Number: MAN-11878-8

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Guideplate 8pc. Set Big Block Chevy 3/8" Pushrod

Part Number: MAN-42164-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

Valves, Intake, NK-842 Stainless, 2.300 in. Diameter, .3415 in. Stem, 5.494 in. Length, Set of 8

Part Number: MAN-11870-8

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

Part Number: MAN-11854-1

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Estimated Ship Date: Monday 1/12/2026

Valves, Intake, Stainless Steel, 2.190 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Set of 8

Part Number: MAN-11528-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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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: Monday 1/12/2026

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

Part Number: MAN-11843-1

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Estimated Ship Date: Monday 1/12/2026

Pushrod Length Checker, Mockup Rocker Arm, Fits 7/16 in. Studs, Chevy, Big Block, Each

Part Number: MAN-42133

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/12/2026