CHEVROLET Manley Engines & Components

Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each

Part Number: MAN-590130L-1

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: MAN-591030-8

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .3415 in. Stem, 5.365 in. Length, Each

Part Number: MAN-11755-1

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Valve, Race, NK-844 Stainless Steel, Intake, 2.125 in. Diameter, 5.240 in. Length, Chevy, Set of 8

Part Number: MAN-11778-1

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Connecting Rod, 4340 H-Beam, Cap Screw, Bushed, Chevy, Small Block, Each

Part Number: MAN-14054-1

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 10 Degree Lock, 1.295 in. Spring O.D., Kit

Part Number: MAN-26361634KS

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Estimated Ship Date: Jun 12, 2026 if ordered today

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Valve, Intake, NK-844 Stainless Steel, 2.100 in. Head Diameter, 5.440 in. Length, Chevy, Small Block, Each

Part Number: MAN-11510-1

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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, Exhaust, Stainless Steel, 1.625 in. Diameter, .342 in. Stem, 5.165 in. Length, Chevy, Each

Part Number: MAN-11331-1

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Valve, Race, XH-426 Stainless Steel, Exhaust, 1.590 in. Diameter, 4.923 in. Length, Set of 8

Part Number: MAN-11661-1

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.021 in. Length, Chevy, Each

Part Number: MAN-11869-1

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Connecting Rods, 4340 I-Beam, Cap Screw, Bushed, 6.800 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-14173-8

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Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each

Part Number: MAN-591230R-1

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Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each

Part Number: MAN-591340L-1

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Pistons, Forged, Flat, 4.001 in. Bore, Chevy, Small Block, Set of 8

Part Number: MAN-592501C-8

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Pistons, Forged, Flat, 4.070 in. Bore, Chevy, Small Block, Set of 8

Part Number: MAN-592570C-8

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Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Each

Part Number: MAN-11780-1

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Valve, Intake, Stainless Steel, 2.065 in. Diameter, .372 in. Stem, 5.218 in. Length, Each

Part Number: MAN-11836-1

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Valves, Exhaust, NK-844 Stainless, 2.150 in. Diameter, .3415 in. Stem, 5.540 in. Length, Set of 8

Part Number: MAN-11766-8

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TITANIUM VALVE

Part Number: MAN-11922T-1

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Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .3415 in. Stem, 4.951 in. Length, Each

Part Number: MAN-11861-1

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Valves, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.040 in. Length, Chevy, Set of 8

Part Number: MAN-11812-8

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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-12838-8

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VALVE-S/D 2.080,+.400

Part Number: MAN-11764-1

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Valves, Intake, Stainless Steel, 2.125 in. Diameter, .341 in. Stem, 5.340 in. Length, Chevy, Set of 8

Part Number: MAN-11756-8

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