1978 Manley Engines & Components

Valves, Intake, Stainless Steel, 2.055 in. Diameter, .342 in. Stem, 4.940 in. Length, Set of 8

Part Number: MAN-11452T-8

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Estimated Ship Date: May 15, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.625 in. Diameter, .311 in. Stem, 5.240 in. Length, Chevy, Each

Part Number: MAN-11345-1

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Main Bearings, P-Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, Big Block, Set of 5

Part Number: MAN-33040

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Valve, Titanium, Exhaust, 1.600 in. Diameter, 5.160 in. Length, Each

Part Number: MAN-11427TB-1

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Valves, Race Master, 10 degree Dish, XH-426 Stainless Steel, 35.5mm Head Diameter, 4.405 in. Length, Set of 4

Part Number: MAN-11653-4

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Valve, Intake, Stainless Steel, 1.890 in. Diameter, .3415 in. Stem, 4.800 in. Length, Each

Part Number: MAN-11792-1

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030

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Estimated Ship Date: May 14, 2026 if ordered today

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CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

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Connecting Rods, 4340 I-Beam, Cap Screw, Bushed, 6.385 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-14162-8

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Valve, Exhaust, Titanium, 1.600 in. Diameter, .342 in. Stem, 5.160 in. Length, Universal, Each

Part Number: MAN-11403T-1

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Valve, Exhaust, Stainless Steel, 1.900 in. Diameter, .342 in. Stem, 5.422 in. Length, Set of 8

Part Number: MAN-10883-8

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Valves, Exhaust, XH-428 Stainless, 1.900 in. Diameter, .3715 in. Stem, 5.474 in. Length, Set of 8

Part Number: MAN-11535-8

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Valve, Intake, Titanium, 2.055 in. Diameter, .342 in. Stem, 4.940 in. Length, Universal, Each

Part Number: MAN-11452T-1

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Valve, Exhaust, Severe Duty, Stainless Steel, 1.940 in. Head Dia, 7 Degree Dish, Chevy, Big Block, Each

Part Number: MAN-11561-1

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VALVE-TI 2.325,+.250 BEAD LOC

Part Number: MAN-11940B-8

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Valve, Intake, Stainless Steel, 2.250 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Each

Part Number: MAN-11526-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 15, 2026 if ordered today

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KIT-SBC 383 3.750/4.040

Part Number: MAN-290140

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040

Part Number: MAN-290140H

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Connecting Rods, 4340 I-Beam, Cap Screw, Bushed, 6.700 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-14172-8

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Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.494 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12854-1

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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-1

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VALVE-S/D 2.125,+.300

Part Number: MAN-11754-8

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Valve, Intake, Stainless Steel, 1.760 in. Diameter, .341 in. Stem, 5.167 in. Length, Ford, Each

Part Number: MAN-11801-1

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Valve, Intake, Titanium, 2.100 in. Diameter, .342 in. Stem, 5.240 in. Length, Universal, Each

Part Number: MAN-11414T-1

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .274 in. Stem, 5.040 in. Length, Chevy, Each

Part Number: MAN-11235-1

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