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PRC Stage 2.5 4.8L/5.3L CNC Porting Service - Cathedral Port Heads (Customer Supplied Castings)
PRC Stage 2.5 4.8L/5.3L CNC Porting Service - Cathedral Port Heads (Customer Supplied Castings)
PRC Stage 2.5 4.8L/5.3L CNC Porting Service - Cathedral Port Heads (Customer Supplied Castings)

PRC Stage 2.5 4.8L/5.3L CNC Porting Service – Cathedral Port Heads (Customer Supplied Castings)

From Original price was: $1,199.99.Current price is: $1,175.99.

The price listed is for you sending your cathedral port cylinder heads to us for porting. Our Stage 2.5 includes aftermarket 2.02/1.57 stainless steel valves. We also offer valve spring upgrades.PRC CNC…

Build your assembly Pick each component — the price updates as you choose.
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SKU: PRC-5.32.5 Categories: , Brand:

Description

The price listed is for you sending your cathedral port cylinder heads to us for porting. Our Stage 2.5 includes aftermarket 2.02/1.57 stainless steel valves. We also offer valve spring upgrades.

PRC CNC Porting/Machining Service Includes:

  • Disassembly
  • Deep Cleaning
  • CNC Porting
  • CNC Valve Job
  • CNC Engraving of PRC Logos
  • CNC Milling to Your Specs
  • Reassembly
  • Pressure Testing

With all PRC cylinder heads, quality and performance are our two highest priorities! In addition to this, you will not find a better performing cylinder head porting service at this price. Call one of our sales consultants today if you have any questions or if you would like to discuss your specific application.

Stage 2.5 5.3L Flow Chart
Lift Intake Flow Exhaust Flow
.200″ 147 cfm 111 cfm
.300″ 207 cfm 145 cfm
.400″ 254 cfm 185 cfm
.500″ 291 cfm 204 cfm
.600″ 308 cfm 223 cfm

If you’re purchasing valve springs separately such as with one of our cam kits, reach out to our sales team and we will install those for you.

*Please Remove all Cylinder Head accessories (Spark plugs, Coolant Plugs and Steam port blocks) before Shipping. Texas Speed and Performance is not responsible for any lost Parts.

This assembly is built to order. Choose your crankshaft, connecting rods and pistons above — the price updates as you select.

Additional information

Weight 1040 oz

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