Manley Engines & Components

Valve Springs, Dual, 1.640 in. Outside Diameter, 604 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: MAN-221425-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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BOLTS-BBC DART PRO 1

Part Number: MAN-42180

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Valve Spring, Triple, 1.677 in. Outside Diameter, 746 lbs./in. Rate, 1.160 in. Coil Bind Height, Each

Part Number: MAN-221447-1

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RING-86.5mm 1.2mm,1.5mm,3.0mm

Part Number: MAN-46866-1

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Valve, Exhaust, Stainless Steel, 4.725 in. Length, 1.500 in. Diameter, 0.3415 in. Diameter Stem, Buick V6, Each

Part Number: MAN-11503-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Pushrods, Chromoly Swedged End, Heat-treated, 7/16 in. Tube Diameter, 5/16 in. Tip Diameter, Ball Tips, 8.700 in. Overall Length, Each

Part Number: MAN-25152-1

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Valve, Exhaust, Stainless Steel, 1.810 in. Diameter, .372 in. Stem, 4.908 in. Length, Mopar, Each

Part Number: MAN-11891-1

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Valve Spring, NexTek, Dual, 1.640 in. O.D., 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Polished, Each

Part Number: MAN-221424P-1

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Timing Chain, Double Roller, Chain Only, Chevy, Big Block, Each

Part Number: MAN-76162

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Piston Rings, Steel, 3.307 in. Bore, File Fit, 1.2mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: MAN-46840-1

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

Part Number: MAN-11730-1

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.065 in. Length, Chevy, Each

Part Number: MAN-11545-1

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Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-11521-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve, Exhaust, Stainless Steel, 1.625 in. Diameter, .342 in. Stem, 4.965 in. Length, Chevy, Each

Part Number: MAN-11329-1

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Valve, Intake, Stainless Steel, 2.080 in. Diameter, .342 in. Stem, 5.340 in. Length, Chevy, Each

Part Number: MAN-11324-1

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Valve, Intake, Stainless Steel, 2.080 in. Diameter, .3415 in. Stem, 5.040 in. Length, Each

Part Number: MAN-11560-1

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Valve, Exhaust, XH-426 Stainless Steel, 1.880 in. Diameter, .342 in. Stem, 5.552 in. Length, Chevy, Each

Part Number: MAN-11719-1

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

Part Number: MAN-11847-1

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Piston Rings, RING-86.25mm 1.0mm,1.2mm, 2.8m

Part Number: MAN-47862-1

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

Part Number: MAN-42322

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Valve, Intake, Stainless Steel, 2.250 in. Head Diameter, 5.594 in. Length, Chevy, Big Block, Each

Part Number: MAN-12898-1

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

Part Number: MAN-11554-1

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

Part Number: MAN-11570-1

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

Part Number: MAN-11845-1

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Valve, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.011 in. Length, Chevy, Each

Part Number: MAN-11772-1

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