PROMAXX Performance Parts and Accessories

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: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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Valve Springs, Freedom Series, Single, 1.260 in. O.D., Steel Retainers, Locks, Valve Seals, Kit

Part Number: PMX-7070

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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Cylinder Heads, OE-Replacement, Bare, Cast Iron, Natural, Ford, 2.3L, 2.5L, Each

Part Number: PMX-FOR463NB

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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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

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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

Part Number: PMX-2210

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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VALVE SPRING

Part Number: PMX-8454

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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CYLINDER HEADS PAIR

Part Number: PMX-2181HR

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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