PROMAXX Performance Parts and Accessories

Cylinder Heads, Aluminum, 180cc Intake Runner, 60cc Chamber, Ford, Small Block, Pair

Part Number: PMX-9175

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Cylinder Head, OE-Replacement, Assembled, Cast Iron, Natural, Chevy, GMC, V8, 6.5L, Diesel, Each

Part Number: PMX-CHE855N

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 185 cc Intake Runner, Straight Plug, Chevy SB, Pair

Part Number: PMX-2169

4.23 out of 5 stars ( 30 )

Estimated Ship Date: Tomorrow

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Cylinder Head, Stock Replacement, Assembled, Cast Iron, Natural, Dodge, 5.2L/5.9L, Magnum, Each

Part Number: PMX-CHR807N

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Cylinder Head, Freedom, Aluminum, Assembled, 72 cc Chamber, 185 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2171

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Cylinder Heads, Maxx Series, Hydraulic Roller, Assembled, Aluminum, 200cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9200HR

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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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: Mar 30, 2026 if ordered today

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Cylinder Heads, Maxx Series, Hydraulic Roller, Assembled, Aluminum, 317cc Intake Runner, Chevrolet, Big Block, Pair

Part Number: PMX-9318

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 225 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2121

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Cylinder Heads, Maxx Series, Assembled, Aluminum, 64cc Chamber, Rectangular Port, Chevy, Small Block, Pair

Part Number: PMX-9200

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Cylinder Heads, Assembled, Aluminum, 64cc Chamber, 185cc Intake, Angle Plug, Hyd, Flat, Chevy, SBC, Pair

Part Number: PMX-2168

3.56 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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CYLINDER HEADS PAIR

Part Number: PMX-9292

Not Yet Reviewed

Estimated Ship Date: Mar 16, 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

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Cylinder Heads, Freedom, Aluminum, Assembled, 72 cc Chamber, 225 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2119

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Mar 30, 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

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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BBC CYLINDER HEADS PAIR

Part Number: PMX-9291

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Cylinder Heads, Maxx Series, Assembled, Aluminum, 210cc Intake Runner, Chrysler, Big Block, Pair

Part Number: PMX-9440

3.0 out of 5 stars ( 6 )

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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: Apr 2, 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

Not Yet Reviewed

Estimated Ship Date: Mar 30, 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-9187S

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Cylinder Heads, Shocker Series, Solid Roller, Assembled, Aluminum, 225cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9227A

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 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: Apr 2, 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

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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

Part Number: PMX-2110

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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