PROMAXX Performance Engines & Components

Cylinder Heads, Aluminum, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-2216

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Cylinder Heads, Freedom Series Big Block Chevy Heads, Assembled, Aluminum, 119cc Chamber, 360cc Intake, Angle Plug, Chevrolet, Big Block, Pair

Part Number: PMX-2256

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Estimated Ship Date: Jun 9, 2026 if ordered today

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

Part Number: PMX-9370

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Estimated Ship Date: Jun 9, 2026 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-91898S

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Estimated Ship Date: Jun 9, 2026 if ordered today

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SHOCKER SBM CYLINDER HEADS PR

Part Number: PMX-9561

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Estimated Ship Date: Jun 9, 2026 if ordered today

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CYLINDER HEADS

Part Number: PMX-9352

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Estimated Ship Date: Jun 9, 2026 if ordered today

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CYLINDER HEAD PAIR

Part Number: PMX-3341P

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Estimated Ship Date: Jun 9, 2026 if ordered today

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CYLINDER HEADS

Part Number: PMX-3157

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Estimated Ship Date: Jun 9, 2026 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: Jun 9, 2026 if ordered today

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CYLINDER HEADS PAIR

Part Number: PMX-9231SR

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Estimated Ship Date: May 29, 2026 if ordered today

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

Part Number: PMX-9371

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Estimated Ship Date: Jun 9, 2026 if ordered today

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SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 64CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT

Part Number: PMX-9227

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 76cc Chamber, 200cc Intake Runner, Ford, FE, Pair

Part Number: PMX-92336

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Estimated Ship Date: Jun 9, 2026 if ordered today

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SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 72CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT

Part Number: PMX-92282A

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Estimated Ship Date: Jun 9, 2026 if ordered today

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SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 64CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT

Part Number: PMX-9228A

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Cylinder Heads, Aluminum, Bare, 76cc Chamber, 200cc Intake Runner, Ford, FE, Pair

Part Number: PMX-92306

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Estimated Ship Date: Jun 9, 2026 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: Jun 9, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 76cc Chamber, 200cc Intake Runner, Ford, FE, Pair

Part Number: PMX-92316

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Estimated Ship Date: Jun 9, 2026 if ordered today

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SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 72CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT

Part Number: PMX-92272

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Estimated Ship Date: Jun 9, 2026 if ordered today

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SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 64CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT

Part Number: PMX-9228

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 72cc Chamber, 200cc Intake Runner, Ford, FE, Pair

Part Number: PMX-9233

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Estimated Ship Date: Jun 9, 2026 if ordered today

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EXTREME 245CC LS CATHEDRAL

Part Number: PMX-3141P

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Cylinder Heads Pair

Part Number: PMX-93524

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Estimated Ship Date: Jun 9, 2026 if ordered today

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BBC CYLINDER HEAD

Part Number: PMX-9453

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Estimated Ship Date: Jun 9, 2026 if ordered today

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CYLINDER HEAD

Part Number: PMX-3146P

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Estimated Ship Date: Jun 9, 2026 if ordered today

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