PROMAXX Performance Parts and Accessories

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

Part Number: PMX-9318

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 121cc Chamber, 340cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9341

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Heads, Shocker Series, Solid Roller, Assembled, Aluminum, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-9212

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Heads, Shocker Series, Hydraulic Roller, Assembled, Aluminum, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-92104

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: PMX-92346

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: PMX-9319

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Estimated Ship Date: Apr 13, 2026 if ordered today

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CYLINDER HEADS PAIR

Part Number: PMX-9292

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Heads, Shocker Series, Solid Roller, Assembled, Aluminum, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-92124

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Heads, Shocker Series, Hydraulic Roller, Assembled, Aluminum, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-9210

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 84cc Chamber, 240cc Intake Runner, Chrysler, Dodge, Plymouth, Big Block, Pair

Part Number: PMX-9241

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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

Part Number: PMX-95625

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Estimated Ship Date: Jul 17, 2026 if ordered today

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FORD FE 170CC 2.20/1.73 72CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED FULLY ASSEMBLED WITH STAINLESS V

Part Number: PMX-9174

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Estimated Ship Date: Apr 13, 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-92272A

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Heads, Shocker Series, Solid Roller, Assembled, Aluminum, 225cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9227A

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 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-92282

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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HYDRAULIC ROLER CAMS PAIR

Part Number: PMX-3151A

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Estimated Ship Date: Apr 10, 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: Apr 13, 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: Apr 13, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 84cc Chamber, 240cc Intake Runner, Chrysler, Dodge, Plymouth, Big Block, Pair

Part Number: PMX-9243

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Head, Shocker CNC, Assembled, 63cc Chamber, 185cc Intake Runner, 2.08/1.60 Valve Sizes, Flat Tappet, Aluminum, Mopar, Small Block LA, Pair

Part Number: PMX-9560

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Estimated Ship Date: Apr 13, 2026 if ordered today

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SHOCKER SBM CYLINDER HEADS PR

Part Number: PMX-9561

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Estimated Ship Date: Apr 13, 2026 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: Apr 13, 2026 if ordered today

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CYLINDER HEAD

Part Number: PMX-9604

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Estimated Ship Date: Apr 13, 2026 if ordered today

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CYLINDER HEADS

Part Number: PMX-3157

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Estimated Ship Date: Apr 13, 2026 if ordered today

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CYLINDER HEAD PAIR

Part Number: PMX-3341P

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Estimated Ship Date: Apr 13, 2026 if ordered today

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