CHEVROLET Chevy small block Gen III/IV (LS-based engines) Manley Engines & Components

Valve, Race, NK-844 Stainless Steel, Intake, 2.055 in. Diameter, 4.874 in. Length, Chevy, Each

Part Number: MAN-11680-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Intake, XH-428 Stainless, 2.080 in. Head Diameter, 4.874 in. Length, Chevy, 5.7, 6.0L, Set of 8

Part Number: MAN-11682-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Intake, XH-428 Stainless Steel, 2.165 in. Diameter, .313 in. Stem, 4.900 in. Length, Chevy, Set of 8

Part Number: MAN-11686H-8

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, VALVE-TI LS-7 2.250, .3135

Part Number: MAN-11978TB-8

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Exhaust, Extreme Duty Series, Stainless, 1.600 in. Diameter, 0.314 in. Stem, Chevy, 6.2L, Set of 8

Part Number: MAN-12357-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Exhaust, Extreme Duty Series, Stainless, 1.600 in. Diameter, 0.314 in. Stem, Chevy, 6.2L, Set of 8

Part Number: MAN-12357-8

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Intake, Stainless Steel, 1.930 in. Diameter, .3133 in. Stem, 5.232 in. Length, LS 5.3L, Set of 8

Part Number: MAN-12358-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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SINGLE VALVE SPRING

Part Number: MAN-221435-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve Spring, Dual, 1.340 in. Outside Diameter, 394 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16

Part Number: MAN-221435-16

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve Spring, Dual, 1.290 in. Outside Diameter, 377 lbs./in. Rate, 1.100 in. Coil Bind Height, Single

Part Number: MAN-221436-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: MAN-221438-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Intake, Stainless Steel, 2.100 in. Diameter, .313 in. Stem, 4.874 in. Length, Set of 8

Part Number: MAN-11350H-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Intake, Stainless Steel, 2.100 in. Diameter, .313 in. Stem, 4.874 in. Length, Set of 8

Part Number: MAN-11350H-8

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Intake, NK-844 Stainless Steel, 2 in. Diameter, .313 in. Stem, 4.874 in. Length, Each

Part Number: MAN-11360H-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Intake, Stainless Steel, 2.020 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Set of 8

Part Number: MAN-11362H-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valves, Intake, Stainless Steel, 2.055 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Each

Part Number: MAN-11390H-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve, Intake, Stainless Steel, 2.165 in. Diameter, .313 in. Stem, 4.900 in. Length, Each

Part Number: MAN-11686-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Connecting Rods

Part Number: MAN-14031-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: MAN-221438-16

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, PIST-1.115 CD FT 4.075 COATED

Part Number: MAN-592675C-8

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valves, Intake, XH-428 Stainless Steel, 2.165 in. Diameter, .313 in. Stem, 4.900 in. Length, Chevy, Set of 8

Part Number: MAN-11686H-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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