PROMAXX Performance Parts and Accessories

Cylinder Head, Shocker CNC, Assembled, 65cc Chamber, 185cc Intake Runner, 2.08/1.60 Valve Sizes, Flat Tappet, Aluminum, Mopar, Small Block LA, Pair

Part Number: PMX-95605

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Estimated Ship Date: Jun 1, 2026 if ordered today

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EXTREME 245CC LS CATHEDRAL

Part Number: PMX-3141P

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 121cc Chamber, 370cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9373

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 1, 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-9208T

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Estimated Ship Date: Jun 1, 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-9242

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 121cc Chamber, 340cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9342

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 121cc Chamber, 370cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9372

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Estimated Ship Date: Jun 1, 2026 if ordered today

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

Part Number: PMX-9231

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Estimated Ship Date: Jun 1, 2026 if ordered today

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

Part Number: PMX-9232

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CYLINDER HEAD

Part Number: PMX-3148

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Estimated Ship Date: Jun 1, 2026 if ordered today

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CYLINDER HEADS PAIR

Part Number: PMX-9342T

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FORD FE 170CC 2.09/1.66 72CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED FULLY ASSEMBLED WITH STAINLESS VA

Part Number: PMX-9172

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CYLINDER HEADS

Part Number: PMX-3151P

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ASSEMBLED CYLINDER HEADS PAIR

Part Number: PMX-3162

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CYLINDER HEAD

Part Number: PMX-3147

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

Part Number: PMX-92198S

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Cylinder Heads, Aluminum, Assembled, 119cc Chamber, 317cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9320

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Estimated Ship Date: Jun 1, 2026 if ordered today

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

Part Number: PMX-2214

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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CYLINDER HEADS

Part Number: PMX-3156P

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Estimated Ship Date: Jun 1, 2026 if ordered today

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

Part Number: PMX-9319T

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Estimated Ship Date: Jun 1, 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-9213

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Estimated Ship Date: Jun 1, 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-9209

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Cylinder Heads

Part Number: PMX-3341A

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Estimated Ship Date: May 29, 2026 if ordered today

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FORD FE 170CC 2.20/1.73 76CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED FULLY ASSEMBLED WITH STAINLESS V

Part Number: PMX-91746

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Estimated Ship Date: Jun 1, 2026 if ordered today

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

Part Number: PMX-9230

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Estimated Ship Date: Jun 1, 2026 if ordered today

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