CHEVROLET Chevy big block Mark IV Manley Parts and Accessories

Connecting Rods, 4340 H-Beam, Cap Screw, Bushed, Chevy, Big Block, Set of 8

Part Number: MAN-14060-8

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Connecting Rods, 4340 H-Beam, Cap Screw, Bushed, Chevy, Big Block, Set of 8

Part Number: MAN-14062-8

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Valve Springs/ Titanium Retainers, Nex Tek, 1.640 in. Outside Diameter, 604 lbs./in. Spring Rate, Kit

Part Number: MAN-261425

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Nex Tek Valve Springs/ Titanium Retainers, Super Gas/Comp/Big Block Bracket, Kit

Part Number: MAN-261424

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Valve Springs/ Titanium Retainers, Nex Tek, 1.640 in. Outside Diameter, 647 lbs./in. Spring Rate, Kit

Part Number: MAN-261424L

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Valve Springs/ Titanium Retainers, Nex Tek, 1.640 in. Outside Diameter, 604 lbs./in. Spring Rate, Kit

Part Number: MAN-261425L

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.250 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12850H-8

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Estimated Ship Date: Jan 19, 2026 if ordered today

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