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: Apr 13, 2026 if ordered today

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Cylinder Heads, Series One, Assembled, Aluminum, 175cc Intake Runner, Ford, Small Block Windsor, Pair

Part Number: PMX-1102

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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, 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: May 5, 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, 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, Assembled, Aluminum, Ford, Pair

Part Number: PMX-9192

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Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 185cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9187S

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Estimated Ship Date: Apr 20, 2026 if ordered today

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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: 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-9186S

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Estimated Ship Date: May 5, 2026 if ordered today

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

Part Number: PMX-2116

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 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: Apr 13, 2026 if ordered today

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Cylinder Heads, 64cc, Assembled, Hydraulic Roller, Rect. Intake, Sq. Exhaust, 2.020/1.600 in. Valves, 0.6 in. Max Lift, Aluminum, Natural, Chevy, Pair

Part Number: PMX-2169HR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 5, 2026 if ordered today

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Cylinder Heads, Maxx Series Small Block Ford Heads, Bare, Aluminum, 60cc Chamber, 175cc Intake, Ford, Small Block, Pair

Part Number: PMX-9176

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 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: Mar 30, 2026 if ordered today

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CYLINDER HEAD

Part Number: PMX-FOR630N

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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-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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