PROMAXX Performance Engines & Components

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: Dec 19, 2025 if ordered today

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FORD FE 170CC 2.09/1.66 72CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED 3/8 VALVE GUIDES BARE HEADS

Part Number: PMX-9171

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Estimated Ship Date: Dec 19, 2025 if ordered today

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FORD FE 170CC 2.09/1.66 76CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED 3/8 VALVE GUIDES BARE HEADS

Part Number: PMX-91716

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FORD FE 170CC 2.09/1.66 72CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED FULLY ASSEMBLED WITH STAINLESS VA

Part Number: PMX-9172

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

Part Number: PMX-9320

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

Part Number: PMX-9340

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

Part Number: PMX-9342

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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

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Cylinder Heads, Aluminum, Bare, 63cc Chamber, 171cc Intake Runner, Chrysler, Dodge, Plymouth, Small Block, Pair

Part Number: PMX-9361

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

Part Number: PMX-93615

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

Part Number: PMX-93625

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Estimated Ship Date: Dec 19, 2025 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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Cylinder Heads, Aluminum, Assembled, 121cc Chamber, 370cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9371

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

Part Number: PMX-9372

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

Part Number: PMX-9373

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Estimated Ship Date: Dec 19, 2025 if ordered today

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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

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SBC 220cc As Cast 2.08/1.60/72cc Angle Plug Bare

Part Number: PMX-2106

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Cylinder Heads, Freedom Series, Bare, Aluminum, Natural, 64cc Chamber, Chevy, Small Block, Pair

Part Number: PMX-2109

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Cylinder Heads, Freedom Series, Bare, Aluminum, Natural, 72cc Chamber, Angle Plug, Chevy, Small Block, Pair

Part Number: PMX-2110

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Cylinder Heads, Performance Freedom Series, Bare, Aluminum, Natural, 64cc Chamber, Chevy, Small Block, Pair

Part Number: PMX-2112

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Cylinder Heads, Performance Freedom Series, Bare, Aluminum, Natural, 64cc Chamber, Chevy, Small Block, Pair

Part Number: PMX-2113

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 19, 2025 if ordered today

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Cylinder Heads, Freedom Series, Assembled, Aluminum, Natural, 64cc Chamber, Chevy, Small Block, Pair

Part Number: PMX-2117

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Cylinder Heads, Freedom Series Small Block Chevy Heads, Assembled, Aluminum, 72cc Chamber, 225cc Intake, Angle Plug, Chevrolet, Small Block, Pair

Part Number: PMX-2118

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Cylinder Heads, Freedom Series Small Block Chevy, Assembled, Aluminum, 64cc Chamber, 225cc Intake Runner, Angle Plugs, Chevy, Small Block, Pair

Part Number: PMX-2120

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 19, 2025 if ordered today

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Cylinder Heads, Freedom Series Small Block Chevy Heads, Assembled, Aluminum, 72cc Chamber, 225cc Intake, Angle Plug, Chevrolet, Small Block, Pair

Part Number: PMX-2122

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 19, 2025 if ordered today

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