Katech Engineering LLC - CNC Cylinder Head Porting & Machining Services

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services

Performance Cylinder Head CNC Porting for GM LS and LT Engines

Katech CNC Porting and Machining Services apply decades of race-proven airflow development and precision machining to GM LS and LT cylinder heads. Using advanced CNC equipment and digitally developed port programs, Katech engineers refine intake and exhaust port geometry to improve airflow efficiency, combustion stability, and overall engine performance while maintaining proper cylinder head architecture and reliability.

Developed through extensive dyno testing and professional motorsports experience, Katech porting programs deliver consistent and repeatable airflow across every cylinder head. These services support performance street engines, track builds, and professional racing applications where precise airflow control and machining accuracy are essential to achieving maximum horsepower and durability.

Browse CNC Cylinder Head Porting & Machining Services Products

Sort
View
 
Items 1-41 of 41
GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Gen V LT1/L86/L8T Basic CNC Cylinder Head Porting Service
Katech Gen V LT1/L86/L8T Basic CNC Cylinder Head Porting Service
In Stock
(0) Reviews: Write first review
Description: Basic CNC Porting Service
Item #: KAT-M6753-LT1
Condition: New
Price: $499.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Gen V LT1/L86/L8T Premium CNC Porting & Machining Package  
Katech Gen V LT1/L86/L8T Premium CNC Porting & Machining Package  
In Stock
(0) Reviews: Write first review
Description: CNC Porting and Machining LT1/L86/LT8 Heads
Item #: KAT-A7783
Condition: New
Price: $1,235.99
Sale: $1,099.99
Save: 11%
Save: $136.00
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Gen V LT4/LT5 Basic CNC Cylinder Head Porting Service
Katech Gen V LT4/LT5 Basic CNC Cylinder Head Porting Service
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service
Item #: KAT-M6753-LT4
Condition: New
Price: $499.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Gen V LT4/LT5 Premium CNC Porting & Machining Package
Katech Gen V LT4/LT5 Premium CNC Porting & Machining Package
In Stock
(0) Reviews: Write first review
Description: CNC Porting Bundle LT4/LT5  Heads
Item #: KAT-A7784
Condition: New
Price: $1,235.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Gen V LT4 Complete CNC Porting, Machining & Valve Package
Katech Gen V LT4 Complete CNC Porting, Machining & Valve Package
(0) Reviews: Write first review
Description: CNC Porting & Repair Service with Bronze guides, Ti/Mo Intake/Super Alloy Exhaust Valves..
Item #: KAT-A7606
Condition: New
Price: $4,269.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Gen V LT4 Ultimate CNC Porting, Machining, Valves & Assembly Package
Katech Gen V LT4 Ultimate CNC Porting, Machining, Valves & Assembly Package
(0) Reviews: Write first review
Description: Your Heads fully assembled set up for Katech LT4 Cams plus CNC Porting & Guide Repair Service..
Item #: KAT-A7608
Condition: New
Price: $5,280.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS1 Truck 241/806/853 Basic CNC Cylinder Head Porting Service
Katech LS1 Truck 241/806/853 Basic CNC Cylinder Head Porting Service
In Stock
(0) Reviews: Write first review
Description: Basic CNC Porting Service
Item #: KAT-M4321
Condition: New
Price: $499.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS1 Truck 241/806/853 Complete CNC Porting, Machining & Valve Package
Katech LS1 Truck 241/806/853 Complete CNC Porting, Machining & Valve Package
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service, Valve Job, Hand-blending, New Valve
Item #: KAT-A7229
Condition: New
Price: $1,364.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS1 Truck 862/706 Basic CNC Cylinder Head Porting Service
Katech LS1 Truck 862/706 Basic CNC Cylinder Head Porting Service
In Stock
(0) Reviews: Write first review
Description: Basic CNC Porting Service
Item #: KAT-M7107
Condition: New
Price: $499.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS1 Truck 862/706 Complete CNC Porting, Machining & Valve Package
Katech LS1 Truck 862/706 Complete CNC Porting, Machining & Valve Package
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service, Valve Job, Hand-blending, Big Valves
Item #: KAT-A7230
Condition: New
Price: $1,364.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS1 Truck 862/706 Ultimate CNC Porting, Machining, Valves & Assembly Package
Katech LS1 Truck 862/706 Ultimate CNC Porting, Machining, Valves & Assembly Package
Backordered
(0) Reviews: Write first review
Description: CNC Porting Service, Valve Job, Hand-blending, Big Valves, Assembled with .660 dual springs
Item #: KAT-A7230C
Condition: New
Price: $1,784.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS2/LS6 Truck Premium CNC Porting & Machining Package  
Katech LS2/LS6 Truck Premium CNC Porting & Machining Package  
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service
Item #: KAT-A7266
Condition: New
Price: $1,123.99
Sale: $999.99
Save: 11%
Save: $124.00
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS2/LS6 Truck Ultimate CNC Porting, Machining, Valves & Assembly Package
Katech LS2/LS6 Truck Ultimate CNC Porting, Machining, Valves & Assembly Package
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service
Item #: KAT-A7266C
Condition: New
Price: $1,784.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS2/LS6 Truck  Basic CNC Cylinder Head Porting Service
Katech LS2/LS6 Truck  Basic CNC Cylinder Head Porting Service
In Stock
(0) Reviews: Write first review
Description: Basic CNC Porting Service
Item #: KAT-M3835
Condition: New
Price: $499.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS3/L92/L99/L76 364/5364 Basic CNC Cylinder Head Porting Service
Katech LS3/L92/L99/L76 364/5364 Basic CNC Cylinder Head Porting Service
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service
Item #: KAT-M7412
Condition: New
Price: $499.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS3/L92/L99/L76 364/5364 Premium CNC Porting & Machining Package  
Katech LS3/L92/L99/L76 364/5364 Premium CNC Porting & Machining Package  
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service
Item #: KAT-A7413
Condition: New
Price: $1,180.99
Sale: $999.99
Save: 15%
Save: $181.00
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS3/L92/L99/L76 821/823/716 Basic CNC Cylinder Head Porting Service
Katech LS3/L92/L99/L76 821/823/716 Basic CNC Cylinder Head Porting Service
In Stock
(0) Reviews: Write first review
Description: Basic CNC Porting Service
Item #: KAT-M7028
Condition: New
Price: $499.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS3/L92/L99/L76 821/823/716 Premium CNC Porting & Machining Package  
Katech LS3/L92/L99/L76 821/823/716 Premium CNC Porting & Machining Package  
In Stock
  • Currently /5 Stars
 (1)
Description: CNC Porting Service
Item #: KAT-A7302
Condition: New
Price: $1,123.99
Sale: $999.99
Save: 11%
Save: $124.00
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS7 8452 & LSX LS7 Basic CNC Cylinder Head Porting Service
Katech LS7 8452 & LSX LS7 Basic CNC Cylinder Head Porting Service
In Stock
(0) Reviews: Write first review
Description: Basic CNC Porting Service
Item #: KAT-M6897
Condition: New
Price: $599.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS7 8452 & LSX-LS7 Premium CNC Porting, Machining & Intake Valve Package
Katech LS7 8452 & LSX-LS7 Premium CNC Porting, Machining & Intake Valve Package
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service with Bronze guides, Ti/Mo Intake Valves, Inspect/Advise Exhaust
Item #: KAT-A7269
Condition: New
Price: $3,370.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS7 8452 & LSX-LS7 Premium Plus CNC Porting, Machining & Valve Package
Katech LS7 8452 & LSX-LS7 Premium Plus CNC Porting, Machining & Valve Package
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service with Bronze guides, Ti/Mo Intake/Exhaust Valves
Item #: KAT-A7232
Condition: New
Price: $5,055.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LSA/LS9 4863/863/1771 Basic CNC Cylinder Head Porting Service 
Katech LSA/LS9 4863/863/1771 Basic CNC Cylinder Head Porting Service 
In Stock
(0) Reviews: Write first review
Description: CNC Porting Service
Item #: KAT-M7090
Condition: New
Price: $499.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech L83 Premium CNC Porting & Machining Package  
Katech L83 Premium CNC Porting & Machining Package  
In Stock
(0) Reviews: Write first review
Description: CNC Chamber Porting Service, Valve Job, Hand-blending
Item #: KAT-A7416
Condition: New
Price: $1,180.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech .005" Cylinder Head Decking Service
Katech .005" Cylinder Head Decking Service
(0) Reviews: Write first review
Item #: /S-DECKHEADS.005
Condition: New
Price: $177.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech .010" Cylinder Head Decking Service
Katech .010" Cylinder Head Decking Service
(0) Reviews: Write first review
Item #: /S-DECKHEADS.010
Condition: New
Price: $177.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech .015" Cylinder Head .015" Decking Service
Katech .015" Cylinder Head .015" Decking Service
(0) Reviews: Write first review
Item #: /S-DECKHEADS.015
Condition: New
Price: $177.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech .020" Cylinder Head  Decking Service
Katech .020" Cylinder Head  Decking Service
(0) Reviews: Write first review
Item #: /S-DECKHEADS.020
Condition: New
Price: $177.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech .030" Cylinder Head Decking Service
Katech .030" Cylinder Head Decking Service
(0) Reviews: Write first review
Item #: /S-DECKHEADS.030
Condition: New
Price: $177.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Cylinder Head Deburring Service
Katech Cylinder Head Deburring Service
(0) Reviews: Write first review
Description: Cylinder head deburring service to restore your cylinder heads
Item #: /S-HEADDEBURR
Condition: New
Price: $161.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Competition Valve Job & Cylinder Head Deburring Service
Katech Competition Valve Job & Cylinder Head Deburring Service
(0) Reviews: Write first review
Description: Competition valve job
Item #: /S-VALVEJOB
Condition: New
Price: $427.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Bronze Valve Guide Installation Service
Katech Bronze Valve Guide Installation Service
(0) Reviews: Write first review
Description: Precision Bronze Valve Guide Installation for Performance Cylinder Heads
Item #: /S-BRONZEGUIDES
Condition: New
Price: $311.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LT1/L83/L86 Cylinder Head CNC Machining Service for LT4 Supercharger Bolt Holes 
Katech LT1/L83/L86 Cylinder Head CNC Machining Service for LT4 Supercharger Bolt Holes 
In Stock
(0) Reviews: Write first review
Description: Katech CNC Machine Service
Item #: KAT-M7115
Condition: New
Price: $209.99
Sale: $188.99
Save: 10%
Save: $21.00
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LT1/LT4/LT5/L83/L86 Cylinder Head DI Delete CNC Machining Service 
Katech LT1/LT4/LT5/L83/L86 Cylinder Head DI Delete CNC Machining Service 
In Stock
(0) Reviews: Write first review
Description: Katech CNC Machine Service
Item #: KAT-7742-R01
Condition: New
Price: $209.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Valve Reconditioning Service
Katech Valve Reconditioning Service
(0) Reviews: Write first review
Description: Recondition Valves
Item #: /S-RECONDITIONVALVES
Condition: New
Price: $142.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS 66cc Combustion Chamber CNC Porting Service
Katech LS 66cc Combustion Chamber CNC Porting Service
In Stock
(0) Reviews: Write first review
Description: CNC Chamber Porting Service
Item #: KAT-M4470-R01
Condition: New
Price: $123.29
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS3 Combustion Chamber CNC Porting Service
Katech LS3 Combustion Chamber CNC Porting Service
In Stock
(0) Reviews: Write first review
Description: CNC Chamber Porting Service
Item #: KAT-M7112
Condition: New
Price: $123.29
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS7/LSX-LS7 70.1cc Cylinder Head Combustion Chamber CNC Porting Service 
Katech LS7/LSX-LS7 70.1cc Cylinder Head Combustion Chamber CNC Porting Service 
In Stock
(0) Reviews: Write first review
Description: CNC Chamber Porting Service
Item #: KAT-M7111
Condition: New
Price: $136.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LT4/LT5 68cc Cylinder Head Combustion Chamber CNC Porting Service 
Katech LT4/LT5 68cc Cylinder Head Combustion Chamber CNC Porting Service 
In Stock
(0) Reviews: Write first review
Description: Katech CNC Machining Service
Item #: KAT-M7110
Condition: New
Price: $129.59
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Half Hour Shop Labor Service
Katech Half Hour Shop Labor Service
(0) Reviews: Write first review
Item #: /TECHNICIAN.5
Condition: New
Price: $80.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech Custom LT Cylinder Heads Logo Engraving 
Katech Custom LT Cylinder Heads Logo Engraving 
(0) Reviews: Write first review
Description: For Gen 5 LT cylinder heads only (PAIR)
Item #: /S-CUSTOMENGRAVE-CYLHD
Condition: New
Price: $0.99
Qty:

GM Cylinder Heads, Parts & Services - CNC Cylinder Head Porting & Machining Services - Katech Engineering - Katech LS Cylinder Head Custom Laser Engraving Service 
Katech LS Cylinder Head Custom Laser Engraving Service 
(0) Reviews: Write first review
Description: Precision Laser Etching for Gen 3–4 LS Cylinder Heads
Item #: /S-CUSTOMLASER-CYLHD
Condition: New
Price: $0.99
Qty:

Items 1-41 of 41

More About CNC Cylinder Head Porting & Machining Services

Why Choose Katech

Since 1977, Katech Engineering has built a global reputation for precision engine development and championship-winning performance. Katech played a key role in the success of GM Corvette Racing, helping develop race engines that competed at the highest levels of endurance motorsports.

Today, that same engineering discipline is applied to every machining service we perform. All CNC porting and precision machining services are completed in-house at Katech Engineering’s advanced manufacturing facility in Clinton Township, Michigan, where our team uses modern CNC equipment and race-developed machining processes to deliver the airflow precision trusted by professional racing teams and performance enthusiasts worldwide.