MANLEY 12357-8 Exhaust Valve Kit Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99

MANLEY 12357-8 Exhaust Valve Kit Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99

€790,71

VAT included. Shipping calculated at checkout

MANLEY P/N: 12357-8 GTIN: 807298105956
Available for order at Partners Worldwide Usually ready in 1-2 weeks updated 12.11.2025
Quantity:

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

Pickup available at Kelberg Warehouse Usually ready in 24 hours

MANLEY 12357-8 Exhaust Valve Kit Extreme Duty Series for CHEVROLET Gen IV Small Block LS3 / L92 / L99

Kelberg Warehouse

Pickup available, usually ready in 24 hours

Auf der Struth 4
53539 Kelberg
Germany

+491732982897

Description MANLEY 12357-8 Exhaust Valve Kit 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: 1.600 IN
  • Stem Diameter: 0.3136 IN
  • Valve Stem Diameter: 0.3136 IN
  • O/A Length: 5.215 IN
  • Tip Length: 0.160 IN
  • Margin Width: 0.065 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 Kit
  • Valve Quantity: 8