CHEVROLET Manley Engines & Components

Valves, Exhaust, XH-428 Stainless, 1.900 in. Diameter, 5.522 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-11847-8

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Cylinder Head Bolts, Steel, Natural, Hex, Chevy, Small Block, Stock, Edelbrock Performer, RPM, Heads, 1-Head

Part Number: MAN-42171

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

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 ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Valve Springs, Single, 1.250 in. Outside Diameter, 357 lbs./in. Rate, 1.180 in. Coil Bind Height, Set of 16

Part Number: MAN-22409-16

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Estimated Ship Date: Monday 9/29/2025

Timing Chain and Gears, Double Roller, Steel Sprockets, Chevy, Small Block, Kit

Part Number: MAN-73163

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/29/2025

Valves, Exhaust, Stainless Steel, 1.500 in. Diameter, .341 in. Stem, 4.920 in. Length, Chevy, Set of 8

Part Number: MAN-10077-8

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Set of 8

Part Number: MAN-11831-8

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190280

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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Cylinder Head Bolts, Steel, Natural, Hex Head, Chevy, Small Block, with Brodix Aluminum, Pontiac Heads, 1-Head

Part Number: MAN-42313

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

Valve, Race, NK-842 Stainless Steel, Intake, 2.165 in. Diameter, 4.900 in. Length, Each

Part Number: MAN-11620-1

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Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

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

Part Number: MAN-11517-8

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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, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-10722-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-10765-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

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Valves, Exhaust, Stainless Steel, 1.500 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-10721-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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Valve, Exhaust, XH-428 Stainless Steel, 1.625 in. Head Diameter, 5.465 in. Length, Chevy, Small Block, Each

Part Number: MAN-11511-1

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Estimated Ship Date: Monday 9/29/2025

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-11565-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Each

Part Number: MAN-221422-1

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Estimated Ship Date: Monday 9/29/2025

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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Estimated Ship Date: Monday 9/29/2025

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Valves, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-10766-8

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Valve, Exhaust, Titanium, 1.880 in. Diameter, .3415 in. Stem, 5.440 in. Length, Each

Part Number: MAN-11479-1

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Valves, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.140 in. Length, Chevy, Set of 8

Part Number: MAN-11858-8

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Estimated Ship Date: Nov 11, 2025 if ordered today

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