PROMAXX Performance Engines & Components

Cylinder Heads, Series One, Aluminum, Bare, 64cc Chamber, 185cc Intake Runner, Chevy, Small Block, Pair

Part Number: PMX-2172

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Valve Guides, Manganese Bronze, Chevrolet, Small Block, Each

Part Number: PMX-7044

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Estimated Ship Date: Nov 3, 2025 if ordered today

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BARE CYLINDER HEAD

Part Number: PMX-FOR630NB

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Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: PMX-2211

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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CYLINDER HEAD

Part Number: PMX-FOR603N

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Estimated Ship Date: Nov 3, 2025 if ordered today

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BBC 600 LIFT SPRING KIT

Part Number: PMX-7120

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 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-9225A

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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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VALVE SPRING

Part Number: PMX-8454

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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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Estimated Ship Date: Dec 8, 2025 if ordered today

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Cylinder Heads, Aluminum, Assembled, 72cc Chamber, 185cc Intake Runner, Angle Plug, Chevy, Small Block, Pair

Part Number: PMX-2170

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Estimated Ship Date: Dec 8, 2025 if ordered today

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SBC 185cc As Cast 2.02/1.60/64cc Straight Plug Bare

Part Number: PMX-2173

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Estimated Ship Date: Dec 8, 2025 if ordered today

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SBC 190cc CNC Blended 2.02/1.60/64cc Angle Bare

Part Number: PMX-2176

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Estimated Ship Date: Dec 8, 2025 if ordered today

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SBC 190cc Blended Angle Pug Bare

Part Number: PMX-2176S

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Estimated Ship Date: Dec 8, 2025 if ordered today

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SBC CNC Blended 190cc 2.02/1.60/64cc Straight Plug Bare

Part Number: PMX-2177

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Estimated Ship Date: Dec 8, 2025 if ordered today

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SBC Blended 190cc Straight Plug Bare

Part Number: PMX-2177S

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Cylinder Head, Series One, Small Block, Assembled, Aluminum, Natural, 190cc Intake Runner, Each

Part Number: PMX-2181S

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Estimated Ship Date: Dec 8, 2025 if ordered today

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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: Dec 8, 2025 if ordered today

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

Part Number: PMX-2214

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: PMX-2216

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Cylinder Heads, Maxx Series, Bare, Aluminum, 360cc Intake Runner, Chevrolet, Big Block, Pair

Part Number: PMX-2250

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Estimated Ship Date: Dec 8, 2025 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: Dec 8, 2025 if ordered today

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MODULAR FORD SOHC 600

Part Number: PMX-4516

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Estimated Ship Date: Dec 8, 2025 if ordered today

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600LIFT SPG KIT

Part Number: PMX-4570

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Estimated Ship Date: Dec 8, 2025 if ordered today

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BBC SBC 700 LIFT SPG KIT

Part Number: PMX-7071

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Estimated Ship Date: Dec 8, 2025 if ordered today

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