MANLEY 11685-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99 Photo-0
MANLEY 11685-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99 Photo-1
MANLEY 11685-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99 Photo-2
MANLEY 11685-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99 Photo-3
MANLEY 11685-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99 Photo-4

MANLEY 11685-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99

Sale priceAED 299.58

Tax included. Shipping calculated at checkout

MANLEYP/N: 11685-1 GTIN: 807298056579
Available for order at Partners Worldwide Usually ready in 1-2 weeks updated 23.06.2026
Quantity:

This item is considered special order and is not available for immediate pickup or dispatch. Please note that no returns, cancellations, or refunds allowed on special orders.

The product can be delivered at the specified price provided that it is shipped together with other goods from this manufacturer. Such consolidation may require additional delivery time—typically about 2 extra weeks beyond the standard timeframe, and in some cases up to 4 weeks.

If you need the product urgently, a paid express delivery option is available. Please contact our sales assistants for additional information.

Pickup available at ATOMIC-SHOP UAE Usually ready in 1 hour

MANLEY 11685-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99

ATOMIC-SHOP UAE

Pickup available, usually ready in 1 hour

26th Street - Al Quoz Industrial Area 2
Dubai DU
United Arab Emirates

+97143580877

ATOMIC-SHOP UAE (RABDAN Motorsport)

Pickup available, usually ready in 1 hour

14 10b St - Al Quoz Industrial Area 3
Dubai DU
United Arab Emirates

+971559861650

Description MANLEY 11685-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99

Manley Performance Products Extreme Duty Series Valves are engineered for the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors.

  • Designed for applications requiring extreme force and heat resistance, including Top Fuel, Funny Car, and marine engine applications
  • XH-432 XtremeAlloy exhaust valve material construction
  • Chrome stems and hard tips for longevity and wear resistance
  • Swirl-polished underhead areas and fully machined combustion faces improve airflow and combustion efficiency

Specifications:

  • Product Market: Domestic
  • Head Diameter: 1.590 IN
  • Stem Diameter: 0.3136 IN
  • Valve Stem Diameter: 0.3136 IN
  • O/A Length: 4.923 IN
  • Tip Length: 0.160 IN
  • Margin Width: 0.070 IN
  • Seat Width: 0.115 IN
  • Top of Head: 18 Degree Dish
  • Underhead Angle: 25.00 DEG
  • Emissions Code: 3
  • Cylinder Head: L92 Cylinder Head
  • Valve Series: Extreme Duty Series
  • Valve Material: Inconel
  • Valve Type: Exhaust
  • Product Type: Engine Exhaust Valve
  • Valve Quantity: 1