PROMAXX Performance Parts and Accessories

Cylinder Head, OE-Replacement, Assembled, Cast Iron, Natural, Chevy, GMC, V8, 6.5L, Diesel, Each

Part Number: PMX-CHE855N

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head, Stock Replacement, Assembled, Cast Iron, Natural, Dodge, 5.2L/5.9L, Magnum, Each

Part Number: PMX-CHR807N

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 185 cc Intake Runner, Straight Plug, Chevy SB, Pair

Part Number: PMX-2169

4.23 out of 5 stars ( 30 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Heads, Aluminum, 180cc Intake Runner, 60cc Chamber, Ford, Small Block, Pair

Part Number: PMX-9175

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head, Freedom, Aluminum, Assembled, 72 cc Chamber, 185 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2171

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Heads, Maxx Series, Assembled, Aluminum, 64cc Chamber, Rectangular Port, Chevy, Small Block, Pair

Part Number: PMX-9200

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 225 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2121

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Heads, Assembled, Aluminum, 64cc Chamber, 185cc Intake, Angle Plug, Hyd, Flat, Chevy, SBC, Pair

Part Number: PMX-2168

3.56 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping

Cylinder Heads, Maxx Series, Hydraulic Roller, Assembled, Aluminum, 200cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9200HR

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

• Free Shipping

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

Part Number: PMX-9215A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Heads, OE-Replacement, Assembled, Cast Iron, Natural, Dodge, 5.9L, Diesel, Each

Part Number: PMX-CHR618N

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Freight Charge

Valve Springs, Freedom Series, Single, 1.260 in. O.D., Steel Retainers, Locks, Valve Seals, Kit

Part Number: PMX-7070

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Heads, OE-Replacement, Bare, Cast Iron, Natural, Ford, 2.3L, 2.5L, Each

Part Number: PMX-FOR463NB

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Heads, Freedom, Aluminum, Assembled, 72 cc Chamber, 225 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2119

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Heads, Maxx Series, Hydraulic Roller, Assembled, Aluminum, 183cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9183HR

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

SBC CNC Blended 190cc 2.02/1.60/64cc Straight Plug Bare

Part Number: PMX-2177

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Heads, Assembled, Cast Iron, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair

Part Number: PMX-2151

2.62 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping

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

• Drop Ship
• Free Shipping
• Special Order

Cylinder Heads, Maxx Series, Assembled, Aluminum, 210cc Intake Runner, Chrysler, Big Block, Pair

Part Number: PMX-9440

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Dec 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: PMX-9197A

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BBC CYLINDER HEADS PAIR

Part Number: PMX-9291

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order