1974 Manley Parts and Accessories

ROTATING ASSEMBLY KIT-SBC 434 4.000/4.155

Part Number: MAN-290330RH

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Valve, AFR intake, 2.080 +.100 Race Flo, .3133 stem, set of 8

Part Number: MAN-12310-8

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Estimated Ship Date: Mar 27, 2026 if ordered today

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KIT-SBC 434 4.000/4.125

Part Number: MAN-290300

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Valve, Intake, Stainless Steel, 2.065 in. Diameter, .372 in. Stem, 5.325 in. Length, Set of 8

Part Number: MAN-11554-8

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8

Part Number: MAN-591660-8

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Valve, Exhaust, Severe Duty, Stainless Steel, 1.880 in. Diameter, 0.342 in. Stem, 5.655 in. Length, Set of 8

Part Number: MAN-11591-8

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.594 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12878-1

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

Part Number: MAN-11562-1

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Estimated Ship Date: Mar 24, 2026 if ordered today

Valves, Exhaust, NK-844 Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.433 in. Length, Set of 8

Part Number: MAN-11536-8

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Valve, Intake, 2.190 in. Head Diameter, 9.42mm Stem Diameter, 5.244 in. Overall Length, Chevy, Set of 8

Part Number: MAN-11718-8

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Valve, Exhaust, Stainless Steel, 1.900 in. Diameter, 0.344 in. Stem, 5.522 in. Length, Set of 8

Part Number: MAN-11775-8

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Valves, Intake, Stainless Steel, 2.055 in. Diameter, .342 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-10554-8

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Valves, Intake, NK-844 Stainless, 1.600 in. Diameter, .3415 in. Stem, 5.140 in. Length, Set of 8

Part Number: MAN-11544-8

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Valves, Exhaust, XH-432 Stainless Steel, 1.900 in. Diameter, .342 in. Stem, 6.380 in. Length, Set of 8

Part Number: MAN-11581-8

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Valves, Intake, NK-844 Stainless Steel, 1.937 in. Diameter, .342 in. Stem, 4.911 in. Length, Set of 8

Part Number: MAN-11592-8

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Valve, Intake, Race Master, Stainless Steel, 2.055 in. Head Dia, 7 Degree Dish, Chevy, Small Block, Set of 8

Part Number: MAN-11806-8

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Valves, Exhaust, Stainless Steel, 1.625 in. Diameter, .342 in. Stem, 5.065 in. Length, Chevy, Set of 8

Part Number: MAN-11879-8

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Valves, Exhaust, XH-428 Stainless, 1.500 in. Diameter, .3415 in. Stem, 5.036 in. Length, Set of 8

Part Number: MAN-11887-8

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Valves, Intake, Stainless Steel, 2.100 in. Diameter, .342 in. Stem, 5.040 in. Length, Chevy, Set of 8

Part Number: MAN-11328-8

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Valves, Exhaust, XH-428 Stainless, 1.625 in. Head Diameter, 5.465 in. Length, Chevy, Small Block, Set of 8

Part Number: MAN-11511-8

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Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.594 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12878-8

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CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 4.000 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190130

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Valves, Intake, Titanium, 2.350 in. Diameter, .3415 in. Stem, 5.500 in. Length, Chevy Big Block, Each

Part Number: MAN-11484B-1

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Valve, Intake, 2.325 in. Diameter, Stainless Steel, 0.250 in. Over Installed Length, Chevy, Big Block, Each

Part Number: MAN-12838-1

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