PROMAXX Performance Parts and Accessories

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

Part Number: PMX-9197A

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Cylinder Heads, Project X, Aluminum, Bare, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9215A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 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: Jan 21, 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-9186S

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Estimated Ship Date: Monday 1/5/2026

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Cylinder Head, Maxx Series, 200cc Intake Runner, Aluminum, Assembled, 72cc Chamber, Pair

Part Number: PMX-92002AHR

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Estimated Ship Date: Jan 21, 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: Jan 23, 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: Jan 23, 2026 if ordered today

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Cylinder Head, OE-Replacement Jeep Inline, Assembled, Cast Iron, Natural, Jeep, 4.0L, Each

Part Number: PMX-CHR640N

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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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: Jan 23, 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: Jan 23, 2026 if ordered today

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Valve Springs, Gold Series, Dual, 1.290 in. O.D., Titanium Retainers, 7 degree Locks, Valve Seals, Kit

Part Number: PMX-8401

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Estimated Ship Date: Jan 27, 2026 if ordered today

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

Part Number: PMX-9362

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Estimated Ship Date: Feb 11, 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: Jan 21, 2026 if ordered today

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Cylinder Head, Cast Iron, Assembled, 20mm Dowels, Ford, Powerstroke, 6.0L, Each

Part Number: PMX-FOR851N

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Cylinder Heads, Maxx Series, Assembled, Aluminum, 183cc Intake Runner, D-port, Chevy, 302, 327, 350, 400, Pair

Part Number: PMX-9183

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Feb 11, 2026 if ordered today

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Valve Springs, Xtreme, Dual, Standard Style, 1.290 in. O.D., Titanium Retainers, 7 degree Locks, Kit

Part Number: PMX-8501

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Cylinder Heads, Cast Iron, Bare, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair

Part Number: PMX-2150

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: PMX-9234

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Estimated Ship Date: Jan 23, 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: Jan 23, 2026 if ordered today

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CYLINDER HEAD

Part Number: PMX-FOR630N

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Estimated Ship Date: Jan 21, 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: Jan 21, 2026 if ordered today

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CYLINDER HEADS PAIR

Part Number: PMX-9292

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Estimated Ship Date: Jan 19, 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: Jan 30, 2026 if ordered today

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BBC CYLINDER HEADS PAIR

Part Number: PMX-9291

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Estimated Ship Date: Feb 5, 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: Feb 2, 2026 if ordered today

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