Product Overview
Manley's Performance Series valves are engineered to meet the demands of enthusiasts seeking top-tier performance.
Features & Benefits:
- Premium Stainless Steel: The Performance Series valves are available as XH-422 for exhaust and NK-840 for intake, constructed from high-quality stainless steel for optimal performance.
- Chrome Stems and Hard Tips: These valves boast chrome stems and hard tips, ensuring exceptional durability, even under extreme conditions.
- Swirl Polished and Fully Machined: The under head areas are expertly swirl polished, and the combustion faces are fully machined, optimizing airflow and combustion efficiency for maximum power.
- Variety of Lengths: Tailor your valve selection to your engine's needs with options for stock length or .100? longer lengths.
Additional Attributes:
- GTIN: 00807298047072
- Engine - Web: Small Block
- Engine Detail - Web: Small Block
- Engine Family: Small Block
- Engine Type: ICE
- Engine: Small Block
- Head Diameter: 1.500
- Industry: Automotive
- Make - Web: Chevrolet
- Make: Chevrolet
- Margin Width: 0.060
- O/A Length: 4.911
- Out of Stock Message: Call for Availability
- Product Market: Domestic
- Product Type: Engine Exhaust Valve Kit
- Seat Width: 0.100
- Stem Diameter: 0.3415
- Tip Length: 0.250
- Top of Head: 10 Degree Dish
- Underhead Angle: 15.00
- Underhead Radius: 1/2
- Valve Quantity: 8
- Valve Series: Performance Series
- Valve Sub-Series: Budget Performance
- Valve Type: Exhaust
Extended Information:
- Emissions : Racing or Pre-Emissions Use Only
- Life Cycle Status: Available To Order
Packaging:
- Quantity of Each: 1
- Package UOM: EA
- Dimension: 11.750 x 6.750 x 2.500 inches
