PROMAXX Performance Parts and Accessories

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

Part Number: PMX-9207

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Apr 27, 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-9218A

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Estimated Ship Date: Apr 13, 2026 if ordered today

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BBC CYLINDER HEADS PAIR

Part Number: PMX-9291

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Cylinder Head, Cast Iron, Assembled, Dodge, Ram, Cummins, 6.7L, Each

Part Number: PMX-CHR621N

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 65cc Chamber, 171cc Intake Runner, Chrysler, Dodge, Plymouth, Small Block, Pair

Part Number: PMX-93625

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Heads, Maxx Series, Hydraulic Flat Tappet, Assembled, Aluminum, 170cc Intake Runner, Ford, FE, Big Block, Pair

Part Number: PMX-9170

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 5, 2026 if ordered today

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

Part Number: PMX-9206

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: PMX-9208

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Estimated Ship Date: May 5, 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 ANGLE PLUG BARE (PA

Part Number: PMX-9226A

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Estimated Ship Date: Apr 20, 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-9218S

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

Part Number: PMX-9198A

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Heads, Aluminum, Bare, 119cc Chamber, 317cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9317

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Estimated Ship Date: Apr 13, 2026 if ordered today

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CYLINDER HEAD

Part Number: PMX-9191

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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-9225A

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Estimated Ship Date: Tomorrow

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

Part Number: PMX-2210

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Estimated Ship Date: Tomorrow

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Cylinder Heads, Shocker Series, Bare, Aluminum, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-92114

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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 64CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT

Part Number: PMX-9225

5.0 out of 5 stars ( 1 )

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-92252

4.0 out of 5 stars ( 1 )

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

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LS 245 XXTREME CYLINDER HEADS

Part Number: PMX-3145VO

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Estimated Ship Date: Apr 13, 2026 if ordered today

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FORD FE 170CC 2.09/1.66 76CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED FULLY ASSEMBLED WITH STAINLESS VA

Part Number: PMX-91706

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Estimated Ship Date: Apr 13, 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 VA

Part Number: PMX-9173

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Estimated Ship Date: Apr 13, 2026 if ordered today

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BARE CYLINDER HEAD PAIR

Part Number: PMX-93514

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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 ANGLE PLUG 5 ANGLE VALVE JOB BARE (P

Part Number: PMX-92262A

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder heads

Part Number: PMX-3150VO

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Estimated Ship Date: Apr 13, 2026 if ordered today

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