PROMAXX Performance Engines & Components

CYLINDER HEADS PAIR

Part Number: PMX-2120SR

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Estimated Ship Date: Mar 16, 2026 if ordered today

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CYLINDER HEADS

Part Number: PMX-2120SRT

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SOLID ROLLER SPRING W RETAINER

Part Number: PMX-2121SRT

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Cylinder Heads, 171, Hydraulic Flat Tappet, 63cc Chambers, 5-Angle Valve Job, 2.02 in./1.60 in. 1-Pc. SS Valves, 0.575 in. Lift, Mopar Sm. Block, Pair

Part Number: PMX-9360

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Estimated Ship Date: Mar 16, 2026 if ordered today

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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: Mar 16, 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

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Estimated Ship Date: Mar 16, 2026 if ordered today

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BB CHRYS BARE 210 CC SET UP 2.14/1.81/84CC/BRONZE GUIDES/5 ANGLE VALVE JOB/BOWL BLENDED/ALL FINAL MACHINING IN

Part Number: PMX-9441

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Estimated Ship Date: Mar 16, 2026 if ordered today

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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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SHOCKER SBM CYLINDER HEADS PR

Part Number: PMX-9561

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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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FORD 6.0L CYLINDER HEAD EACH

Part Number: PMX-9602

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CYLINDER HEAD

Part Number: PMX-9604

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ANGLE CYL HEADS PAIR TITANIUM

Part Number: PMX-9200ASRT

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CYLINDER HEADS PAIR

Part Number: PMX-9200SR

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CYLINDER HEAD BARE

Part Number: PMX-9201A

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ASSEMBLED CYLINDER HEADS PAIR

Part Number: PMX-3162

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BARE CYLINDER HEADS PAIR

Part Number: PMX-3340

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CYLINDER HEADS

Part Number: PMX-3340VO

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FORD FE 170CC 2.09/1.66 76CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED FULLY ASSEMBLED WITH STAINLESS VA

Part Number: PMX-91706

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Estimated Ship Date: Mar 16, 2026 if ordered today

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CYLINDER HEADS PAIR

Part Number: PMX-9197S

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

Part Number: PMX-9199A

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Estimated Ship Date: Mar 16, 2026 if ordered today

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CYLINDER HEAD PAIR

Part Number: PMX-92002ASR

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SBC CYLINDER HEADS PAIR

Part Number: PMX-92002HR

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HEAD WITH ANGLE PLUG

Part Number: PMX-9200A

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Estimated Ship Date: Mar 16, 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: Mar 16, 2026 if ordered today

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