CHEVROLET Cylinder Heads - 72cc Exhaust Runner Volume (cc)

PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2169

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: Today

...Loading

Estimated Ship Date: Today

PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2121

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: Today

...Loading

Estimated Ship Date: Today

PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2168

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: Today

...Loading

Estimated Ship Date: Today

PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads 9200HR

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: Today

...Loading

Estimated Ship Date: Today

PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads 9183HR

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 31, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 31, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Brodix Cylinder Heads IK 180 Cylinder Heads for Small Block Chevy 1021004

4.5 out of 5 stars ( 17 )

Estimated Ship Date: Today

...Loading

PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads 92282

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-92282

Not Yet Reviewed

Estimated Ship Date: Dec 28, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 28, 2026 if ordered today

PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads 2181HR

SBC 190 CC 64CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED HYD ROLLER

Part Number: PMX-2181HR

Not Yet Reviewed

Estimated Ship Date: Dec 28, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 28, 2026 if ordered today

PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads 9225A

SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 64CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT

Part Number: PMX-9225A

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

PROMAXX Performance Series One Small Block Chevy Cylinder Heads 2172

Cylinder Heads, Series One, Aluminum, Bare, 64cc Chamber, 185cc Intake Runner, Chevy, Small Block, Pair

Part Number: PMX-2172

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 28, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 28, 2026 if ordered today

PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads 9227A

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 28, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 28, 2026 if ordered today