Katech Engineering LLC - GM Cylinder Heads, Parts & Services

Cylinder Heads, Parts & Services - 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.

Select a Sub-Category

View  
Cylinder Heads, Parts & Services - GM Cylinder Heads, Parts & Services - Complete GM LS & LT Cylinder Heads
Since 1977, Katech Engineering has applied race-winning experience and precision engineering to the development of complete GM LS and LT cylinder heads . Designed for high-performance street,...More Details »
No Image Available
Since 1977, Katech Engineering has applied race-winning experience and advanced airflow development to precision CNC porting and cylinder head machining services . Designed for GM LS and LT...More Details »
Cylinder Heads, Parts & Services - GM Cylinder Heads, Parts & Services - Valves, Seals & Guides
Since 1977, Katech Engineering has applied race-winning experience and precision engineering to selecting and validating high-performance valves, seals, and guides for GM LS and LT cylinder...More Details »
Cylinder Heads, Parts & Services - GM Cylinder Heads, Parts & Services - Valve Springs, Retainers & Seats
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 »
Cylinder Heads, Parts & Services - GM Cylinder Heads, Parts & Services - Head Gaskets & Fasteners
Since 1977, Katech Engineering has applied race-winning experience to selecting and validating high-performance head gaskets and fasteners for GM LS and LT cylinder heads. This category...More Details »
Cylinder Heads, Parts & Services - GM Cylinder Heads, Parts & Services - Cylinder Head Refresh & Rebuild Services
Since 1977, Katech Engineering has delivered precision cylinder head refresh and rebuild services designed to restore performance, reliability, and durability for GM LS and LT engines. Our...More Details »
Cylinder Heads, Parts & Services - GM Cylinder Heads, Parts & Services - Sensors, Spark Plug Wires & Related Cylinder Head Components
Since 1977, Katech Engineering has applied race-winning experience to the development and selection of sensors, spark plugs, spark plug wires and head-mounted components for GM LS and LT...More Details »
Cylinder Heads, Parts & Services - GM Cylinder Heads, Parts & Services - Cylinder Head Hardware, Accessories & Installation Components
Since 1977, Katech Engineering has applied race-winning experience to the selection of cylinder head hardware, accessories, and installation components for GM LS and LT engines. Designed to...More Details »
Cylinder Heads, Parts & Services - 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...More Details »
Cylinder Heads, Parts & Services - GM Cylinder Heads, Parts & Services - Gen 5 LT

GM Cylinder Heads, Parts & Services Featured Products

Sort
View
 
Items 61-107 of 107
In Stock
Description: For LT4 heads
Item #: KAT-7833
Condition: New
Price: $13.99
Qty:

Backordered
Description: Ferrea LS7 Hollow Stem Exhaust Valve
Item #: FER-F2042-8
Condition: New
Price: $451.99
Qty:

Description: Gen 3/4 Stainless steel exhaust valve
Condition: New
Price: $28.49

Description: Gen 3/4 Stainless steel intake valve
Condition: New
Price: $28.49

In Stock
Description: 19 Needed plus 1 odd bolt part number GMP-11611976
Item #: GMP-11546959
Condition: New
Price: $4.99
Qty:

In Stock
Description: GM LT4 & LT5 Titanium Engine Intake Valve
Item #: GMP-12650770
Condition: New
Price: $123.99
Qty:

In Stock
Description: Gen 5 LT4
Item #: GMP-12654622
Condition: New
Price: $91.99
Qty:

In Stock
Description: OEM LS2 & LS6 Cylinder Head Gasket
Item #: GMP-12589227
Condition: New
Price: $73.99
Qty:

In Stock
Description: SET OF 8 | singles use 12645472
Item #: GMP-12482062
Condition: New
Price: $52.99
Qty:

Backordered
Description: Seal/seat combination style, set of 8 for singles use 12645673
Item #: GMP-12482063
Condition: New
Price: $48.99
Qty:

In Stock
Description: SINGLE SEAL ONLY
Item #: GMP-12457652
Condition: New
Price: $4.99
Qty:

In Stock
Description: OEM GM Genuine Parts LT Exhaust Manifold Gasket
Item #: GMP-12657093
Condition: New
Price: $20.99
Qty:

In Stock
Description: GM Genuine Parts Gen 5 LT1 & LT2 Cylinder Head Gasket
Item #: GMP-12688943
Condition: New
Price: $83.99
Qty:

In Stock
Description: OEM GM LS3 Intake Valve
Item #: GMP-12569427
Condition: New
Price: $59.99
Qty:

In Stock
Description: OEM GM Inconel LS3 Exhaust Valve
Item #: GMP-12612427
Condition: New
Price: $35.99
Qty:

In Stock
Description: OEM GM Inconel LT1/LT4 Exhaust Valve
Item #: GMP-12733470
Condition: New
Price: $35.99
Qty:

In Stock
Description: Single Seal Only
Item #: GMP-12533586
Condition: New
Price: $4.99
Qty:

Backordered
Description: OEM GM L92 Intake Valve solid stem also fits LS3/LSA/LS9
Item #: GMP-12627970
Condition: New
Price: $26.99
Qty:

In Stock
Description: LS Header Exhaust Manifold Gasket | DOES NOT FIT LS7
Item #: GMP-12617944
Condition: New
Price: $22.99
Qty:

In Stock
Description: LS1 & LS6 Cylinder Head Gasket
Item #: GMP-12589226
Condition: New
Price: $59.99
Qty:

In Stock
Description: OEM LS3 cylinder head gasket
Item #: GMP-12610046
Condition: New
Price: $102.99
Qty:

In Stock
Description: OEM GM LS3 Exhaust Valve
Item #: GMP-12582719
Condition: New
Price: $33.99
Qty:

In Stock
Description: OEM LS7 Cylinder Head Gasket
Item #: GMP-12582179
Condition: New
Price: $75.99
Qty:

In Stock
Description: LS7 D Port Exhaust Manifold Gasket
Item #: GMP-12594171
Condition: New
Price: $54.99
Qty:

In Stock
Description: OEM GM LS7 Exhaust Valve
Item #: GMP-12618110
Condition: New
Price: $62.99
Qty:

In Stock
Description: LS7, LS9, LT4 & LT5 Intake Valve Rocker Arm Lash Cap Wear Pad Kit
Item #: GMP-19302366
Condition: New
Price: $31.99
Qty:

In Stock
Description: OEM LS9 Cylinder Head Gasket
Item #: GMP-12622033
Condition: New
Price: $87.99
Qty:

In Stock
Description: OEM LT1 & LT4 Exhaust Valve
Item #: GMP-12678746
Condition: New
Price: $33.99
Qty:

Price: $4.99
Qty:

In Stock
Description: GM LT1 Intake Valve
Item #: GMP-12629513
Condition: New
Price: $34.99
Qty:

In Stock
Description: Sold in halves. 32 required per engine
Item #: GMP-10166345
Condition: New
Price: $3.99
Qty:

In Stock
Description: Designed for use with PSI-LS1511 or PSI-LS1516 valve springs
Item #: KAT-7128
Condition: New
Price: $16.99
Qty:

In Stock
Description: Designed for use with PSI-1511 valve springs
Item #: KAT-7119
Condition: New
Price: $16.99
Qty:

In Stock
Description: For stock LS7 & LT4 Heads
Item #: KAT-4682
Condition: New
Price: $17.99
Qty:

In Stock
Description: For LS7 engines
Item #: KAT-6586-R01
Condition: New
Price: $224.99
Qty:

In Stock
Description: For LT1/LT2/LT4/LT5
Item #: KAT-7799-R01
Condition: New
Price: $224.99
Qty:

In Stock
Description: For LT1/LT2/LT4/LT5
Item #: KAT-7800
Condition: New
Price: $224.99
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:

In Stock
Description: For LT4 heads
Item #: KAT-6924
Condition: New
Price: $8.99
Qty:

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

In Stock
Description: For LT4/LT5
Item #: KAT-7486
Condition: New
Price: $224.99
Qty:

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

In Stock
Description: Super Alloy
Item #: KAT-7484
Condition: New
Price: $61.99
Qty:

In Stock
Description: 1.550" diameter
Item #: EP-01-2204-8
Condition: New
Price: $21.99
Qty:

In Stock
Description: 2.00" diameter
Item #: EP-01-2220-8
Condition: New
Price: $21.99
Qty:

In Stock
Description: 2.02" diameter
Item #: EP-01-2202-8
Condition: New
Price: $21.99
Qty:

In Stock
Description: 1.57" diameter
Item #: EP-01-2200-8
Condition: New
Price: $21.99
Qty:

Items 61-107 of 107