1998 CHEVROLET Manley Parts and Accessories

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-10549-1

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Pistons, Forged, Flat, 4.560 in. Bore, Chevy, Big Block, Set of 8

Part Number: MAN-696060-8

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.121 in. Length, Chevy, Each

Part Number: MAN-11865-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valves, Exhaust, Stainless Steel, 1.940 in. Diameter, .3415 in. Stem, 5.140 in. Length, Chevy, Small Block, Each

Part Number: MAN-11748-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve, AFR intake, 2.080 +.100 Race Flo, .3133 stem, set of 8

Part Number: MAN-12310-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .313 in. Stem, 5.040 in. Length, Chevy, Each

Part Number: MAN-11231-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Each

Part Number: MAN-11856-1

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

Part Number: MAN-590630-8

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve, Intake, Stainless Steel, 1.940 in. Diameter, .3415 in. Stem, 4.951 in. Length, Each

Part Number: MAN-11860-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve, Exhaust, Race Master, Stainless Steel, 1.940 in. Diameter, 0.3415 in. Stem, 5.422 in. Length, Set of 8

Part Number: MAN-11885-8

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Valves, Intake, Stainless Steel, 2.055 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Set of 8

Part Number: MAN-11390-8

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Valve, Intake, Race Series, Stainless Steel, 2.055 in. Diameter, 0.3415 in. Stem, 5.140 in. Length, Set of 8

Part Number: MAN-11552-8

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Valve, Exhaust, Race Master, Stainless Steel, 1.880 in. Diameter, 0.3415 in. Stem, 5.422 in. Length, Set of 8

Part Number: MAN-11717-8

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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, Intake, Stainless Steel, 2.190 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Each

Part Number: MAN-11528-1

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Estimated Ship Date: Jun 2, 2026 if ordered today

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

Part Number: MAN-590730L-1

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Estimated Ship Date: Jun 2, 2026 if ordered today

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

Part Number: MAN-590540L-1

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

Part Number: MAN-590540R-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Guideplates, Raised, 5/16 in. Pushrod Size, Chevy, Small Block, Set of 8

Part Number: MAN-42151-8

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Each

Part Number: MAN-221422-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .342 in. Stem, 5.165 in. Length, Chevy, Each

Part Number: MAN-11321-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .3415 in. Stem, 5.065 in. Length, Each

Part Number: MAN-11749-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve, Exhaust, Titanium, 1.880 in. Diameter, .3415 in. Stem, 5.440 in. Length, Each

Part Number: MAN-11479-1

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Valve Spring, Single, 1.250 in. Outside Diameter, 357 lbs./in. Rate, 1.180 in. Coil Bind Height, Each

Part Number: MAN-22409-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today