CHEVROLET 7.4L/454 Engines & Components

Valve, Exhaust, XH-432 Xtreme Alloy, 1.880 in. Head Diameter, 5.454 in. Length, Chevy, Big Block, Each

Part Number: MAN-11731-1

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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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Pistons, Forged, Flat Top, Single Valve Relief, 4.530 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8

Part Number: JEP-338237-8

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Piston, Dome, 4.310 in. Bore, 4.250 in. Stroke, 6.385 in. Rod Length, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy Big Block, Set of 8.

Part Number: PIS-1000676

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Valve Covers, M/T, Finned, Cast Aluminum, Black Textued, Baffled, Chevy, Gen, V, VI, Mark IV, 396ci, 402ci, 427ci, 454ci, Pair

Part Number: HLY-241-85

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer Bolt, Steel, Zinc Plated, Hex Head, Chevy, Big Block, Each

Part Number: MRG-946G

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Cylinder Head, 335cc Enforcer, Assembled, 2.250 in. Intake Valve, 10 Degree Locks, 1.550 in. Dual Valve Springs, Aluminum, Chevy, Big Block, Each

Part Number: AFR-3001

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Set of 8

Part Number: MAN-11815-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Valve Covers, Track Series, Perimeter Bolt, Tall, Chevrolet Logo, Fabricated Aluminum, Black Gloss, Baffled, Chevy, 396ci, 402ci, 427ci, 454ci, Pair

Part Number: HLY-241-281

4.26 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, Powerforce Series, Internal/External Balance, 8.00 in. Diameter, Nodular Iron, Black, Chevy, 454, 502, Each

Part Number: PFS-80005

4.48 out of 5 stars ( 25 )

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ROTATING ASSEMBLY KIT-BBC 572 4.250/4.625 -3cc F

Part Number: MAN-38572RHXX

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ROTATING ASSEMBLY KIT-BBC 632 4.750/4.600 43cc D

Part Number: MAN-29632R

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Piston, Forged, Dome, 2-Valve Reliefs, 4.500 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each

Part Number: JEP-139535S

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Piston, Forged, Dome, 2-Valve Reliefs, 4.310 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each

Part Number: JEP-258277-1

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, 7/16 in. Stud, Chevy, Big Block, Set of 16

Part Number: SCC-SCP1014

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Connecting Rods, 4340 H-Beam, Cap Screw, Bushed, Chevy, Big Block, Set of 8

Part Number: MAN-14060-8

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Connecting Rod, Forged 4340 Steel, H-Beam, Bushed, Cap Screw, Chevy, Each

Part Number: MAN-14072R-1

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Estimated Ship Date: Jan 7, 2026 if ordered today

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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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Estimated Ship Date: Jan 6, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.190 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Ford, Each

Part Number: MAN-11822-1

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Valve, Intake, 2.350 in. Diameter, Stainless Steel, 0.350 in. Over Installed Length, Chevy, Big Block, Each

Part Number: MAN-12880-1

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Valve, Intake, Stainless Steel, 1.600 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Each

Part Number: MAN-10714-1

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Connecting Rod Bushing, Bronze, 0.991 in. I.D., Chevy, Big Block, Set of 8

Part Number: MAN-42327-8

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Connecting Rods, 4340 H-Beam, Cap Screw, Chevy, Big Block, Set of 8

Part Number: MAN-14066-8

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Connecting Rod, 4340 H-Beam, Cap Screw, Bushed, 6.535 in., Chevy, Big Block, Each

Part Number: MAN-14066-1

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Cylinder Head, Big Victor Spread-Port 14 Degree CNC, Bare, Aluminum, Chevy, Big Block, Each

Part Number: EDL-618369

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Estimated Ship Date: Dec 19, 2025 if ordered today

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