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  • Make/Engine
  • Intake Runner Volume (cc)
  • Cylinder Head Style
  • Camshaft Style
  • Intake Valve Diameter (in.)
  • Intake Valves Included
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  • Valve Springs Included
  • Maximum Valve Lift (in.)
  • Retainers Included
  • Retainer Material

Cylinder Heads

Showing In Stock Items. Show All 20 Items.

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Results 1 - 7 of 7

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9341

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9341

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9341

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

Part Number: PMX-9341

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9372

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9372

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9372

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

Part Number: PMX-9372

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9370

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9370

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9370

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

Part Number: PMX-9370

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9340

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9340

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9340

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

Part Number: PMX-9340

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9342

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9342

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9342

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

Part Number: PMX-9342

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9371

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9371

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9371

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

Part Number: PMX-9371

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9373

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9373

PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads 9373

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: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

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