Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

Save Now on Winter Essentials for Your Ride!

PROMAXX Performance Parts and Accessories

Individual Parts

Results 51 - 75 of 283

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 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

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

Part Number: PMX-2211

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 5, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 5, 2025 if ordered today

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-92272A

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

Cylinder Heads, Shocker Series, Solid Roller, Assembled, Aluminum, 225cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9227A

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

FORD 460 V8 F3 NEW BARE CAST

Part Number: PMX-FOR815NB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

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: Today

...Loading

Estimated Ship Date: Today

CYLINDER HEADS

Part Number: PMX-2123SRT

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

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: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

Valve Springs, Xtreme, Dual, Standard Style, 1.290 in. O.D., Titanium Retainers, 7 degree Locks, Kit

Part Number: PMX-8501

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

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: Nov 24, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: PMX-9217S

Not Yet Reviewed

...Loading

Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 185cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9187S

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 5, 2025 if ordered today

PROMAXX CYLINDER HEAD

Part Number: PMX-9200AHR

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

CYLINDER HEADS PAIR

Part Number: PMX-2181HR

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

Part Number: PMX-9205

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 24, 2025 if ordered today

Cylinder Heads, Series One Series, Hydraulic Flat Tappet, Assembled, Aluminum, 175cc Intake Runner, Ford, Small Block, Windsor, Pair

Part Number: PMX-1102HF

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

MAXX 200 SBC HYD FLAT CAM

Part Number: PMX-92002

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

Cylinder Heads, 64cc, Assembled, Hydraulic Roller, Rect. Intake, Sq. Exhaust, 2.020/1.600 in. Valves, 0.6 in. Max Lift, Aluminum, Natural, Chevy, Pair

Part Number: PMX-2169HR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 5, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 5, 2025 if ordered today

CYLINDER HEAD

Part Number: PMX-2171HR

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

Cylinder Heads, Freedom Series Small Block Chevy Heads, Assembled, Aluminum, 64cc Chamber, 225cc Intake, Angle Plug, Chevrolet, Small Block, Pair

Part Number: PMX-2116

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

Cylinder Heads, Aluminum, Assembled, 64cc Chamber, 190cc Intake Runner, Angle Plug, Chevy, Small Block, Pair

Part Number: PMX-2180

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

CYLINDER HEADS PAIR

Part Number: PMX-2151HR

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: PMX-9195A

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

Cylinder Heads, Freedom Series, Bare, Aluminum, Natural, 64cc Chamber, Angle Plug, Chevy, Small Block, Pair

Part Number: PMX-2108

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

Cylinder Heads, Performance Freedom Series, Bare, Aluminum, Natural, 72cc Chamber, Chevy, Small Block, Pair

Part Number: PMX-2111

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.