PROMAXX Performance Engines & Components

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

Part Number: PMX-9318

3.0 out of 5 stars ( 1 )

Estimated Ship Date: 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: Dec 23, 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: Dec 23, 2026 if ordered today

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BBC CYLINDER HEADS PAIR

Part Number: PMX-9291

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Estimated Ship Date: Dec 23, 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: Dec 23, 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: Dec 23, 2026 if ordered today

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

Part Number: PMX-9234

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Estimated Ship Date: Dec 23, 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: Dec 23, 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

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Estimated Ship Date: Dec 23, 2026 if ordered today

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CYLINDER HEADS PAIR

Part Number: PMX-9292

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Estimated Ship Date: Dec 23, 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-92282

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Estimated Ship Date: Dec 23, 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: Dec 23, 2026 if ordered today

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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

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

Part Number: PMX-9370

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Estimated Ship Date: Dec 23, 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-92252

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 23, 2026 if ordered today

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CYLINDER HEADS

Part Number: PMX-9352

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Estimated Ship Date: Dec 23, 2026 if ordered today

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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-9225

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 23, 2026 if ordered today

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Cylinder Head, Shocker CNC, Assembled, 63cc Chamber, 185cc Intake Runner, 2.08/1.60 Valve Sizes, Flat Tappet, Aluminum, Mopar, Small Block LA, Pair

Part Number: PMX-9560

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Estimated Ship Date: Dec 23, 2026 if ordered today

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Cylinder Head, Shocker CNC, Bare, 65cc Chamber, 185cc Intake Runner, Aluminum, Mopar, Small Block LA, Pair

Part Number: PMX-95615

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Estimated Ship Date: Dec 23, 2026 if ordered today

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SHOCKER SBM CYLINDER HEADS PR

Part Number: PMX-9561

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Estimated Ship Date: Dec 23, 2026 if ordered today

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Shocker 200 Ford FE solid roller springs 76 cc combustion camber 2.02/1.76 valves

Part Number: PMX-92336SR

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Estimated Ship Date: Dec 23, 2026 if ordered today

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

Part Number: PMX-2216

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Estimated Ship Date: Dec 23, 2026 if ordered today

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HYDRAULIC ROLER CAMS PAIR

Part Number: PMX-3151A

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Estimated Ship Date: Dec 23, 2026 if ordered today

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XXTREME 260 LS3 Rectangle Large Bore Cylinder Heads; PAIR; Sping Option Solid Roller .700

Part Number: PMX-3168

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Estimated Ship Date: Dec 23, 2026 if ordered today

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CYLINDER HEADS

Part Number: PMX-3157

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Estimated Ship Date: Dec 23, 2026 if ordered today

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