Katech Engineering LLC - Intake & Exhaust Valves

Valvetrain Components - Intake & Exhaust Valves

High-Performance Intake & Exhaust Valves 

Intake & Exhaust Valves Built for Power, Efficiency, and Durability

Proper valve performance is critical to how an engine makes power, maintains efficiency, and performs under load. Intake and exhaust valves control airflow into and out of the cylinder, directly influencing combustion quality, horsepower, and long-term reliability.

This category includes high-performance intake and exhaust valves along with supporting components designed for GM LS, and LT, engine platforms. Whether upgrading factory cylinder heads or building a complete performance engine, proper valve selection ensures consistent sealing, improved airflow, and durability in demanding environments.

Available solutions include oversized valve options, lightweight materials such as titanium, and configurations designed to support increased RPM, boost, and aggressive camshaft profiles.

Key Benefits

  • Improves airflow into and out of the combustion chamber
  • Supports increased horsepower and engine efficiency
  • Maintains sealing integrity under high load and RPM
  • Designed for durability in high-temperature environments

Proper valve selection is essential to maintaining valvetrain stability and ensuring compatibility with springs, retainers, and guides.

Browse Intake & Exhaust Valves Products

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Items 1-27 of 27
In Stock
Description: For LS7
Item #: KAT-6412
Condition: New
Price: $224.99
Sale: $202.49
Save: 10%
Save: $22.50
Qty:

In Stock
Description: For LS7 Engines
Item #: KAT-6586-R01
Condition: New
Price: $224.99
Sale: $202.49
Save: 10%
Save: $22.50
Qty:

In Stock
Description: LS9
Item #: KAT-6427
Condition: New
Price: $224.99
Sale: $202.49
Save: 10%
Save: $22.50
Qty:

In Stock
Description: For LT1/LT2/LT4/LT5
Item #: KAT-7800
Condition: New
Price: $224.99
Sale: $202.49
Save: 10%
Save: $22.50
Qty:

In Stock
Description: For LT4/LT5
Item #: KAT-7486
Condition: New
Price: $224.99
Sale: $202.49
Save: 10%
Save: $22.50
Qty:

In Stock
Description: For LT1 LT2 LT4 LT5 Engines
Item #: KAT-7799-R01
Condition: New
Price: $224.99
Sale: $202.49
Save: 10%
Save: $22.50
Qty:

In Stock
Description: For all LS heads
Item #: KAT-7831
Condition: New
Price: $14.99
Qty:

In Stock
Description: For LT1 & LS Heads
Item #: KAT-7832
Condition: New
Price: $13.99
Qty:

In Stock
Description: For LT4 heads
Item #: KAT-7833
Condition: New
Price: $13.99
Qty:

In Stock
Description: For Hemi Heads
Item #: KAT-7834
Condition: New
Price: $13.99
Qty:

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

In Stock
Description: OEM GM LS3 Intake Valve
Item #: GMP-12569427
Condition: New
Price: $59.99
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: Ferrea LS7 Hollow Stem Exhaust Valve
Item #: FER-F2042-8
Condition: New
Price: $459.99
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: OEM GM LS3 Exhaust Valve
Item #: GMP-12582719
Condition: New
Price: $33.99
Qty:

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

In Stock
Description: OEM LT1 & LT4 Exhaust Valve
Item #: GMP-12678746
Condition: New
Price: $33.99
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: 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: Single Seal Only
Item #: GMP-12533586
Condition: New
Price: $4.99
Qty:

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

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
Qty:

Items 1-27 of 27

More About Intake & Exhaust Valves

Katech Valvetrain Solutions Since 1977

Since 1977, Katech has developed high-performance engines and valvetrain systems used in professional motorsports and advanced street applications. That experience directly influences how intake and exhaust valves are selected and applied.

Valve performance affects airflow, sealing, and durability, but long-term results depend on how each component works within the complete valvetrain system. Katech evaluates these factors together to ensure consistent performance across a wide range of engine combinations.