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Katech Engineering LLC - GM Cylinder Heads, Parts & Services
Since 1977, Katech Engineering has applied race-winning experience to the development of high-performance GM cylinder heads and CNC porting services. Designed for GM LS and LT platforms, our solutions deliver proven airflow, power, and durability for street, track, and professional motorsports use.
All Katech GM cylinder head parts and services are engineered, CNC-machined, and inspected in-house at our Clinton Township, Michigan, facility. Using the same processes trusted by championship-winning GM racing programs, we offer complete cylinder heads, precision CNC porting, and custom solutions validated through dyno and race testing.
Built in the USA. Proven on the track.
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Built on decades of championship-winning engine development, Gen 3 and Gen 4 LS cylinder heads from Katech Engineering deliver proven airflow, durability, and power for street, strip, and...More Details »
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Since 1977, Katech Engineering has developed high-performance GM valve springs engineered to deliver precise valvetrain control, durability, and reliability under extreme engine speeds and...More Details »
GM Cylinder Heads, Parts & Services Featured Products
Items 1-60 of 107
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Description: For GM LT1 & L86 Gen 5 Engines
Item #: KAT-A7809
Condition:
New
Price: $5,249.99
In Stock
Description: CNC ported LT1 heads set up for .660 lift cam, sold in Pairs
Item #: KAT-A7674
Condition:
New
Price: $2,179.99
In Stock
Description: Pair
Item #: KAT-A6969-B
Condition:
New
Price: $4,720.99
Backordered
Description: Pair
Item #: KAT-A6969
Condition:
New
Price: $4,325.99
Backordered
Description: Pair
Item #: KAT-A7748
Condition:
New
Price: $5,459.99
Backordered
Description: Pair
Item #: KAT-A7686
Condition:
New
Price: $5,144.99
Backordered
Description: CNC Porting Service, Valve Job, Hand-blending, Big Valves, Assembled with .660 dual springs
Item #: KAT-A7230C
Condition:
New
Price: $1,784.99
In Stock
Description: CNC Porting Service
Item #: KAT-A7266C
Condition:
New
Price: $1,784.99
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
Description: CNC Porting & Repair Service with Bronze guides, Ti/Mo Intake/Super Alloy Exhaust Valves..
Item #: KAT-A7606
Condition:
New
Price: $4,269.99
In Stock
Description: CNC Porting Bundle LT1/L86 Heads
Item #: KAT-A7783
Condition:
New
Price: $1,235.99
Sale: $1,099.99
Save: 11%
Save: $136.00
In Stock
Description: CNC Porting Bundle LT4/LT5 Heads
Item #: KAT-A7784
Condition:
New
Price: $1,235.99
Sale: $1,099.99
Save: 11%
Save: $136.00
In Stock
Description: CNC Chamber Porting Service, Valve Job, Hand-blending
Item #: KAT-A7416
Condition:
New
Price: $1,180.99
In Stock
Description: CNC Porting Service, Valve Job, Hand-blending, New Valve
Item #: KAT-A7229
Condition:
New
Price: $1,364.99
In Stock
Description: CNC Porting Service, Valve Job, Hand-blending, Big Valves
Item #: KAT-A7230
Condition:
New
Price: $1,364.99
In Stock
Description: CNC Porting Service
Item #: KAT-A7266
Condition:
New
Price: $1,123.99
Sale: $999.99
Save: 11%
Save: $124.00
In Stock
Description: CNC Porting Service
Item #: KAT-A7413
Condition:
New
Price: $1,180.99
Sale: $999.99
Save: 15%
Save: $181.00
In Stock
Description: CNC Porting Service
Item #: KAT-A7302
Condition:
New
Price: $1,123.99
Sale: $999.99
Save: 11%
Save: $124.00
In Stock
Description: CNC Porting Service with Bronze guides, Ti/Mo Intake Valves, Inspect/Advise Exhaust
Item #: KAT-A7269
Condition:
New
Price: $3,370.99
In Stock
Description: CNC Porting Service with Bronze guides, Ti/Mo Intake/Exhaust Valves
Item #: KAT-A7232
Condition:
New
Price: $5,055.99
Backordered
Description: CNC ported LT1 & LT2 heads set up for .660 lift cam, sold in Pairs
Item #: KAT-A7840
Condition:
New
Price: $2,179.99
In Stock
Description: CNC Porting Service
Item #: KAT-M6753-LT1
Condition:
New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
In Stock
Description: CNC Porting Service
Item #: KAT-M6753-LT4
Condition:
New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
In Stock
Description: CNC Porting Service
Item #: KAT-M4321
Condition:
New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
In Stock
Description: CNC Porting Service
Item #: KAT-M7107
Condition:
New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
In Stock
Description: CNC Porting Service
Item #: KAT-M3835
Condition:
New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
In Stock
Description: CNC Porting Service
Item #: KAT-M7028
Condition:
New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
In Stock
Description: CNC Porting Service
Item #: KAT-M7412
Condition:
New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
In Stock
Description: CNC Porting Service
Item #: KAT-M6897
Condition:
New
Price: $590.99
Sale: $499.99
Save: 15%
Save: $91.00
In Stock
Description: CNC Porting Service
Item #: KAT-M7090
Condition:
New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
In Stock
Description: LS7 Cylinder Head Repair-Only Bundle , Ti/Mo Intake Valves, Inspect/Advise Exhaust
Item #: KAT-A7270
Condition:
New
Price: $2,977.99
In Stock
Description: CNC Chamber Porting Service
Item #: KAT-M7111
Condition:
New
Price: $136.99
In Stock
Description: Katech CNC Machining Service
Item #: KAT-M7110
Condition:
New
Price: $143.99
Sale: $129.59
Save: 10%
Save: $14.40
In Stock
Description: CNC Chamber Porting Service
Item #: KAT-M4470-R01
Condition:
New
Price: $136.99
Sale: $123.29
Save: 10%
Save: $13.70
In Stock
Description: CNC Chamber Porting Service
Item #: KAT-M7112
Condition:
New
Price: $136.99
Sale: $123.29
Save: 10%
Save: $13.70
Description: For Gen 5 LT cylinder heads only
Item #: /S-CUSTOMENGRAVE-CYLHD
Condition:
New
Price: $0.99
Description: One-time fee to program and proof a new logo for engraving
Item #: /S-ENGRAVINGSETUP
Condition:
New
Price: $177.99
Description: For Gen 3-4 LS cylinder heads only
Item #: /S-CUSTOMLASER-CYLHD
Condition:
New
Price: $0.99
Description: One-time fee to set up a new logo for laser etching
Item #: /S-LASERETCHSETUP
Condition:
New
Price: $59.99
Description: Cylinder head deburring service to restore your cylinder heads
Item #: /S-HEADDEBURR
Condition:
New
Price: $161.99
Price: $69.99
Description: Install bronze valve guides
Item #: /S-BRONZEGUIDES
Condition:
New
Price: $311.99
In Stock
Description: Katech CNC Machine Service
Item #: KAT-7742-R01
Condition:
New
Price: $209.99
In Stock
Description: Katech CNC Machine Service
Item #: KAT-M7115
Condition:
New
Price: $209.99
Sale: $188.99
Save: 10%
Save: $21.00
Description: Service
Item #: /S-ASSEMBLE-CYL-CLS
Condition:
New
Price: $177.99
Description: Katech Service
Item #: /S-ASSEMBLE-CYL-CLT1
Condition:
New
Price: $177.99
Description: Katech Service
Item #: /S-ASSEMBLE-CYL-CLT4
Condition:
New
Price: $177.99
Description: Competition valve job
Item #: /S-VALVEJOB
Condition:
New
Price: $427.99
Description: Highly recommended when a competition valve job is added to our CNC porting
Item #: /S-HANDBLEND
Condition:
New
Price: $161.99
In Stock
Description: For all LS heads
Item #: KAT-7831
Condition:
New
Price: $14.99
In Stock
Description: For LT1 & LS heads
Item #: KAT-7832
Condition:
New
Price: $13.99
Items 1-60 of 107
- Page 1 of 2
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