CHEVROLET Manley Engines & Components

Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Set of 8

Part Number: MAN-11539-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Valve, Intake, Stainless Steel, 1.900 in. Diameter, .342 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-10548-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

Timing Cover Bolts, Steel, Gold Iridited, Hex Head, Chevy, Big, Small Block, Kit

Part Number: MAN-42179

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

Cylinder Head Bolts, Steel, Natural, Hex Head, Chevy, Small Block, with Brodix Aluminum, Pontiac Heads, 1-Head

Part Number: MAN-42313

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

Valves, Exhaust, Stainless Steel, 1.560 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-11501-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Valves, Intake, NK-844, 2.350 in. Diameter, 0.342 in. Stem, 5.610 in. Length, Chevy, Set of 8

Part Number: MAN-11880-1

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Estimated Ship Date: Monday 1/5/2026

Connecting Rod Bolts, 3/8 in., Cap Screw Style, 1.5 in. UHL, 8740 Chromoly Steel, Set of 4

Part Number: MAN-42383-4

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Estimated Ship Date: Monday 1/5/2026

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

Part Number: MAN-10726-1

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Estimated Ship Date: Monday 1/5/2026

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .342 in. Stem, 5.011 in. Length, Chevy, Each

Part Number: MAN-10551-1

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Estimated Ship Date: Monday 1/5/2026

Valve, Exhaust, XH-428 Stainless Steel, 1.625 in. Head Diameter, 5.465 in. Length, Chevy, Small Block, Each

Part Number: MAN-11511-1

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Estimated Ship Date: Monday 1/5/2026

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

Part Number: MAN-10765-1

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Estimated Ship Date: Monday 1/5/2026

Thrust Plate Roller Bearing, .150 in. Thickness, Chevy, Big and Small Block, Each

Part Number: MAN-42420

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

Rocker Arms, Stamped Steel, 1.60 Ratio, 3/8 in. Stud, Chevy, Small Block, Set of 8

Part Number: MAN-43150

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

Valves, Exhaust, Titanium, 1.600 in. Diameter, .3110 in. Stem, 5.950 in. Length, Chevy, Each

Part Number: MAN-11969HTB-1

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Valves, Intake, Stainless Steel, 2.020 in. Diameter, .342 in. Stem, 5.011 in. Length, Set of 8

Part Number: MAN-10552-8

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Valves, Exhaust, XH-428 Stainless, 1.900 in. Diameter, 5.522 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-11847-8

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Set of 8

Part Number: MAN-11831-8

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Estimated Ship Date: Feb 16, 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: Monday 1/5/2026

Connecting Rod, 4340 Steel, H-Beam, 6.125 in Length, Bushed, Cap Screw, Chevy, LS1, Each

Part Number: MAN-15051R-1

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Estimated Ship Date: Monday 1/5/2026

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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Ford, Set of 8

Part Number: MAN-11743-8

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Valve, Exhaust, Titanium, 1.600 in. Diameter, .342 in. Stem, 4.960 in. Length, Universal, Each

Part Number: MAN-11463T-1

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-10721-1

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Estimated Ship Date: Monday 1/5/2026

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

Part Number: MAN-11745-8

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-10550-1

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Estimated Ship Date: Monday 1/5/2026

Valve, Intake, XH-428 Stainless, 1.500 in. Head Diameter, 5.036 in. Length, Chevy, Small Block, Each

Part Number: MAN-11887-1

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Estimated Ship Date: Monday 1/5/2026