1990 CHEVROLET Engines & Components

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: Monday 1/19/2026

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Cylinder Heads, Eliminator Street, Aluminum, Assembled, 65cc Chamber, 195cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1034

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 1/19/2026

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Cylinder Heads, Oval Port Magnum, Aluminum, Assembled, 112cc Combustion Chamber, 265cc Intake, Chevy, Pair

Part Number: AFR-3610-1

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/19/2026

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Cylinder Heads, Enforcer, Aluminum, Assembled, 69cc Chamber, 200cc Intake, Hydraulic Roller, Angle Plug, Small Block, Chevy, Each

Part Number: AFR-1016

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

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Cylinder Heads, Enforcer, Aluminum, Assembled, 69cc Chamber, 200cc Intake, Hydraulic Roller, Straight Plug, Small Block, Chevy, Each

Part Number: AFR-1011

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Cylinder Heads, Magnum, Aluminum, Assembled, 113cc Chamber, 300cc Intake, Chevy, Pair

Part Number: AFR-3670

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

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Cylinder Heads, Oval Port, Assembled, Aluminum, 112cc Combustion Chamber, 290cc Intake, Chevy, Big Block, Pair

Part Number: AFR-3640

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

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Harmonic Balancer Bolt, Steel, Gold Iridite, Hex, Chevy, Small Block, Each

Part Number: MRG-945G

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

Timing Cover, 1-Piece, Steel, Chrome, Chevy, Small Block, Kit

Part Number: MRG-4590

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

Rocker Arm Nuts, Stamped Steel Rockers, 3/8 in.-24 Thread, .603 in. Outside Diameter, Set of 16

Part Number: MRG-920G

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/19/2026

Dipstick with Tube, Engine, Steel, Chrome, Chevy, Big Block, Each

Part Number: MRG-6236

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/19/2026

Cylinder Head Dowel Pins, 0.638 in. Outside Diameter, .503 in. Height, Chevy, Big Block, Pair

Part Number: MRG-4377

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Cylinder Head Dowels, .310 in. Outside Diameter, .562 in. Height, Chevy/Mopar, Pair

Part Number: MRG-4375

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/19/2026

Billet Timing Pointer Small Block Chevy, Fits 7 in. Balancer, Each

Part Number: MSD-89882

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: MRG-946G

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Cylinder Head Bolts, Steel, Black, Hex, Chevy, Big Block, Stock Heads, 1-Head, Set

Part Number: MRG-941G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

Bushing Kit, Cam Advance/Retard, 0/2/4/6/8 Degree, Chevy/Mopar, Small/Big Block, Kit

Part Number: MRG-85

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026