PROMAXX Performance Engines & Components

CYLINDER HEADS PAIR

Part Number: PMX-2123HR

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Estimated Ship Date: Nov 3, 2025 if ordered today

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SINGLE CYLINDER HEAD

Part Number: PMX-2169-1

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Bare, 64cc Chamber, 185cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9185S

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 185cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9188S

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9196A

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Estimated Ship Date: Nov 3, 2025 if ordered today

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SBC CYLINDER HEADS PAIR

Part Number: PMX-92002HR

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Maxx Series, Solid Roller Titanium, Assembled, Aluminum, 317cc Intake Runner, Chevrolet, Big Block, Pair

Part Number: PMX-9319T

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Estimated Ship Date: Nov 3, 2025 if ordered today

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CYLINDER HEADS

Part Number: PMX-9352

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Estimated Ship Date: Nov 3, 2025 if ordered today

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BBC CYLINDER HEAD

Part Number: PMX-9453

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Estimated Ship Date: Nov 3, 2025 if ordered today

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

Part Number: PMX-95615

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Estimated Ship Date: Nov 3, 2025 if ordered today

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CYLINDER HEAD

Part Number: PMX-9601

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Marine Cylinder Head

Part Number: PMX-CHE817M

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Estimated Ship Date: Nov 10, 2025 if ordered today

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INTAKE VALVE EACH

Part Number: PMX-4552

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Estimated Ship Date: Nov 10, 2025 if ordered today

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ANGLE CYLINDER HEADS PAIR

Part Number: PMX-9200ASR

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Estimated Ship Date: Dec 3, 2025 if ordered today

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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

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Estimated Ship Date: Nov 21, 2025 if ordered today

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CYLINDER HEADS

Part Number: PMX-91832HR

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Estimated Ship Date: Nov 3, 2025 if ordered today

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MAXX 290 BBC CYLINDER HEAD PR

Part Number: PMX-9290

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Estimated Ship Date: Nov 3, 2025 if ordered today

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CYLINDER HEADS PAIR

Part Number: PMX-1004

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Bare, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9215S

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-92198A

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-92198S

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9219TA

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9219TS

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Cylinder Heads, Project X, Aluminum, Assembled, 56cc Chamber, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-9208T

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9216S

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