Katech Engineering LLC - Gen 3 & 4 LS Cylinder Heads

GM Cylinder Heads, Parts & Services - Gen 3 & 4 LS Cylinder Heads

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 road race applications. Every LS cylinder head is engineered, CNC machined, and assembled in-house at Katech’s Clinton Township, Michigan facility using processes refined through elite motorsports competition.

Katech Gen 3/4 LS cylinder heads are designed to optimize combustion efficiency, valvetrain stability, and high-RPM reliability across naturally aspirated, boosted, and competition-focused LS engine combinations. Precision port geometry and combustion chamber design work together to support consistent airflow and repeatable power.

With race-validated designs, exacting machining standards, and uncompromising quality control, Katech Gen 3/4 LS cylinder heads provide a professional-grade foundation for LS engines where performance and reliability are non-negotiable.

 

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Gen 3 & 4 LS Cylinder Heads Featured Products

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Items 61-70 of 70
In Stock
Description: For LS7 engines
Item #: KAT-6586-R01
Condition: New
Price: $224.99
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In Stock
Description: For LS & LT style heads with PSI springs and OEM guides
Item #: KAT-6687
Condition: New
Price: $8.99
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In Stock
Description: For LS heads
Item #: KAT-6749
Condition: New
Price: $8.99
Qty:

In Stock
Description: For LS heads with PSI springs and CHE shoulder style bronze guides
Item #: KAT-6545
Condition: New
Price: $8.99
Qty:

Description: For LS7 & LS9
Item #: KAT-
Condition: New
Price: $224.99

In Stock
Description: Valve Seal
Item #: KAT-7481
Condition: New
Price: $2.99
Qty:

In Stock
Description: 1.550" diameter
Item #: EP-01-2204-8
Condition: New
Price: $21.99
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In Stock
Description: 2.00" diameter
Item #: EP-01-2220-8
Condition: New
Price: $21.99
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In Stock
Description: 2.02" diameter
Item #: EP-01-2202-8
Condition: New
Price: $21.99
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In Stock
Description: 1.57" diameter
Item #: EP-01-2200-8
Condition: New
Price: $21.99
Qty:

Items 61-70 of 70