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PROMAXX Performance Parts and Accessories

Individual Parts

Part Groups

Results 251 - 275 of 284

PROMAXX Performance Cylinder Heads 9360

Cylinder Heads, 171, Hydraulic Flat Tappet, 63cc Chambers, 5-Angle Valve Job, 2.02 in./1.60 in. 1-Pc. SS Valves, 0.575 in. Lift, Mopar Sm. Block, Pair

Part Number: PMX-9360

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9370

Cylinder Heads, Aluminum, Bare, 121cc Chamber, 370cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9370

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9373

Cylinder Heads, Aluminum, Assembled, 121cc Chamber, 370cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9373

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads 9441

BB CHRYS BARE 210 CC SET UP 2.14/1.81/84CC/BRONZE GUIDES/5 ANGLE VALVE JOB/BOWL BLENDED/ALL FINAL MACHINING IN

Part Number: PMX-9441

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Shocker Series Small Block Mopar Cylinder Heads 95605

Cylinder Head, Shocker CNC, Assembled, 65cc Chamber, 185cc Intake Runner, 2.08/1.60 Valve Sizes, Flat Tappet, Aluminum, Mopar, Small Block LA, Pair

Part Number: PMX-95605

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads 9561

SHOCKER SBM CYLINDER HEADS PR

Part Number: PMX-9561

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Shocker Series Small Block Mopar Cylinder Heads 95615

Cylinder Head, Shocker CNC, Bare, 65cc Chamber, 185cc Intake Runner, Aluminum, Mopar, Small Block LA, Pair

Part Number: PMX-95615

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads 9602

FORD 6.0L CYLINDER HEAD EACH

Part Number: PMX-9602

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads 9604

CYLINDER HEAD

Part Number: PMX-9604

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Valves 4552

INTAKE VALVE EACH

Part Number: PMX-4552

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

PROMAXX Performance Valve Guides 7044

Valve Guides, Manganese Bronze, Chevrolet, Small Block, Each

Part Number: PMX-7044

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

PROMAXX Performance Cylinder Heads 3150VO

Cylinder heads

Part Number: PMX-3150VO

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:CHR433NB

BARE CYLINDER HEAD EACH

Part Number: PMX-CHR433NB

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:FOR851NB

BARE CYLINDER HEAD

Part Number: PMX-FOR851NB

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Stock Replacement Cylinder Heads for 2008-2010 F-250 SUPER DUTY, F-350 SUPER DUTY - *:FOR852N

Cylinder Head, Cast Iron, Assembled, Ford, Powerstroke, 6.4L, Each

Part Number: PMX-FOR852N

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:FOR852NB

CYLINDER HEADS

Part Number: PMX-FOR852NB

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:CHE217N

CYLINDER HEAD

Part Number: PMX-CHE217N

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:CHE641M

MARINE CYLINDER HEAD

Part Number: PMX-CHE641M

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:CHE641N

NEW CAST IRON CYLINDER HEAD

Part Number: PMX-CHE641N

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:CHE856N

SINGLE CYLINDER HEAD

Part Number: PMX-CHE856N

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:CHE871N

LLY DURAMAX HEAD

Part Number: PMX-CHE871N

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:CHR467NB

BARE CYLINDER HEAD

Part Number: PMX-CHR467NB

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Stock Replacement Cylinder Heads for 1998-2002 RAM 2500, RAM 3500 - *:CHR620N

Cylinder Head, Cast Iron, Assembled, Dodge, Cummins, 5.9L, 24V, Each

Part Number: PMX-CHR620N

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Cylinder Heads *:FOR624N

CYLINDER HEAD

Part Number: PMX-FOR624N

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

PROMAXX Performance Stock Replacement Cylinder Heads *:FOR850N

Cylinder Head, Cast Iron, Assembled, 18mm Dowels, Ford, Powerstroke, 6.0L, Each

Part Number: PMX-FOR850N

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

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