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Savings Central
- Free Shipping (38)

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Make/Engine
Savings Central
- Free Shipping (38)

PROMAXX Performance Engines & Components

Showing In Stock Items. Show All 50 Items.

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Results 1 - 25 of 43

PROMAXX Performance Maxx Series Big Block Ford Cylinder Heads 9170

Cylinder Heads, Maxx Series, Hydraulic Flat Tappet, Assembled, Aluminum, 170cc Intake Runner, Ford, FE, Big Block, Pair

Part Number: PMX-9170

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Edelbrock Performer RPM Cylinder Heads 60069

4.25 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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PROMAXX Performance Project X Small Block Ford Cylinder Heads 9208

Cylinder Heads, Project X, Aluminum, Assembled, 56cc Chamber, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-9208

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Project X Small Block Ford Cylinder Heads 9207

Cylinder Heads, Project X, Aluminum, Assembled, 56cc Chamber, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-9207

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9218A

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

Part Number: PMX-9218A

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Project X Small Block Ford Cylinder Heads 9206

Cylinder Heads, Project X, Aluminum, Assembled, 56cc Chamber, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-9206

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 9226A

SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 64CC CHAMBER 5 ANGLE VALVE JOB ANGLE PLUG BARE (PA

Part Number: PMX-9226A

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9218S

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

Part Number: PMX-9218S

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9198A

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

Part Number: PMX-9198A

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 9173

FORD FE 170CC 2.20/1.73 72CC CHAMBER MULTI ANGLE VALVE JOB HAND BOWL BLENDED FULLY ASSEMBLED WITH STAINLESS VA

Part Number: PMX-9173

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Shocker Series Small Block Ford Cylinder Heads 92114

Cylinder Heads, Shocker Series, Bare, Aluminum, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-92114

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 93514

BARE CYLINDER HEAD PAIR

Part Number: PMX-93514

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 91706

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

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 3145VO

LS 245 XXTREME CYLINDER HEADS

Part Number: PMX-3145VO

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 3150VO

Cylinder heads

Part Number: PMX-3150VO

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

PROMAXX Performance Cylinder Heads 91736

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

Part Number: PMX-91736

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 92262A

SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 72CC CHAMBER ANGLE PLUG 5 ANGLE VALVE JOB BARE (P

Part Number: PMX-92262A

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 9200ASRT

ANGLE CYL HEADS PAIR TITANIUM

Part Number: PMX-9200ASRT

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Maxx Series Big Block Chevy Cylinder Heads 2250

Cylinder Heads, Maxx Series, Bare, Aluminum, 360cc Intake Runner, Chevrolet, Big Block, Pair

Part Number: PMX-2250

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Valve Springs 2121SRT

SOLID ROLLER SPRING W RETAINER

Part Number: PMX-2121SRT

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 3140VO

245 LS XTREME CATHEDRAL 63CC

Part Number: PMX-3140VO

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

PROMAXX Performance Cylinder Heads 9360

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

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today