Availability
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 490cc, CNC Ported, 5/16 Guides, Valve Jobbed 2.500/1.850, Flat Rocker Bar
Part Number: PFH-223XC49035
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 530cc, CNC Ported, 11/32 Guides, Flat Rocker Bar
Part Number: PFH-223XC530211
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 530cc, CNC Ported, 5/16 Guides, Flat Rocker Bar
Part Number: PFH-223XC53025
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 530cc, CNC Ported, 11/32 Guides, Valve Jobbed 2.50/1.850, Flat Rocker Bar
Part Number: PFH-223XC530311
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 530cc, CNC Ported, 5/16 Guides, Valve Jobbed 2.50/1.850, Flat Rocker Bar
Part Number: PFH-223XC53035
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 490cc, CNC Ported, 74cc NOS Chamber, 5/16 Guides, Valve Jobbed 2.450/1.850, Flat Rocker Bar
Part Number: PFH-S0006
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 530cc, CNC Ported, 74cc NOS Chamber, 5/16 Guides, Valve Jobbed 2.50/1.850, Flat Rocker Bar
Part Number: PFH-S0007
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 490cc, CNC Ported, 74cc NOS Chamber, 11/32 Guides, Valve Jobbed 2.50/1.850, Flat Rocker Bar
Part Number: PFH-S0008
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy,12 Degree, Aluminum, PORTER Casting, Must be Ported, Flat Rocker Bar
Part Number: PFH-223-X-02
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Small Block Chevy,23 Degree, Aluminum, 235 cc, CNC Ported, Angle Plug, NO Valve Job
Part Number: PFH-176-X-C23-02
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy,12 Degree, Aluminum, PORTER Casting, Must be Ported
Part Number: PFH-184-X-02
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Aluminum, PORTER Casting, Must be Ported, Seats and 11/32 Guides Installed
Part Number: PFH-184-X-02-11
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Aluminum, PORTER Casting, Must be Ported, Seats and 5/16 Guides Installed
Part Number: PFH-184-X-02-5
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Sniper, Big Block Chevy, Aluminum, Machined Cube Only, PORTER Casting, Must be Ported
Part Number: PFH-174-X-01
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Sniper, Big Block Chevy, Aluminum, PORTER Casting, Must be Ported
Part Number: PFH-174-X-02
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Sniper, Big Block Chevy, Aluminum, PORTER Casting, Must be Ported, Seats and Guides Not Installed
Part Number: PFH-174-X-02U
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Small Block Chevy,23 Degree, Aluminum, 210 cc, Angle Plug, NO Valve Job
Part Number: PFH-176-21-02
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, Aluminum, Machined Cube Only, PORTER Casting, Must be Ported
Part Number: PFH-184-X-01
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Aluminum, PORTER Casting, Must be Ported, Seats and Guides Not Installed
Part Number: PFH-184-X-02U
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 470cc, CNC Ported, Valve Jobbed, 2.450/1.850, 11/32
Part Number: PFH-184-X-03-11
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 470cc, CNC Ported, Valve Jobbed, 2.450/1.850, 5/16
Part Number: PFH-184-X-03-5
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 470cc, CNC Ported, Valve Jobbed, 2.450/1.850, 11/32, 74cc NOS Chamber
Part Number: PFH-184XN740311
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 470cc, CNC Ported, Valve Jobbed, 2.450/1.850, 5/16, 74cc NOS Chamber
Part Number: PFH-184XN74035
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Cylinder Head, Big Block Chevy, 12 Degree, Spread Port, 530cc, CNC Ported, 74cc NOS Chamber, 11/32 Guides, Valve Jobbed 2.50/1.850, Flat Rocker Bar
Part Number: PFH-S0009
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Tunnel Ram Single Carb Tunnel Ram, Machined only, Single Carb Top Plate
Part Number: PFH-192
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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