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: Today

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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: Today

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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: Today

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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: Today

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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: Today

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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: 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 16, 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

Not Yet Reviewed

Estimated Ship Date: Mar 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: Mar 23, 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 16, 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: Mar 23, 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: Today

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

Part Number: PMX-2151

2.62 out of 5 stars ( 13 )

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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: Mar 16, 2026 if ordered today

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Cylinder Heads, Assembled, Aluminum, Ford, Pair

Part Number: PMX-9192

Not Yet Reviewed

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

Part Number: PMX-9197A

Not Yet Reviewed

Estimated Ship Date: Mar 16, 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

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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

Part Number: PMX-92002AHR

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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

Part Number: PMX-FOR851N

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-9216A

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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225 SBC 208/160 64CC ANGLE PLU

Part Number: PMX-2120HR

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Cylinder Heads, Project X, Aluminum, Bare, 56cc Chamber, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-9205

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Cylinder Heads, Maxx Series, Hydraulic Roller, Assembled, Aluminum, 183cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9183HR

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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

Part Number: PMX-1102HF

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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