Sale!
Notice: Product Images may differ from the actual product. Image may be a representation of this item.
Manley Extreme Duty Series Chevy Big Block Exhaust Valve Kit – 1.940 in. Head Dia., 5.422 in. O/A Length, 0.3415 in. Stem
Your Price: $499.38
SKU: 11773-8
Manley Valve – Exhaust, Valve-BBC E/D 1.940.
Discover the extraordinary capabilities of Manley Performance Products’ Extreme Duty Series Valves. Engineered to cater to 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, these valves are your ticket to unparalleled performance.
- Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
- XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.
- Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
- Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
GTIN: 00807298063447
Product Market | Domestic |
---|---|
Head Diameter | 1.940 IN |
Stem Diameter | 0.3415 IN |
O/A Length | 5.422 IN |
Tip Length | 0.250 IN |
Margin Width | 0.075 IN |
Seat Width | 0.085 IN |
Top of Head | 9 Degree Dish |
Underhead Angle | 15.00 DEG |
Underhead Radius | 1/2 IN |
Valve Series | Extreme Duty Series |
Valve Type | Exhaust |
Valve Quantity | 8 |
Engine Detail – Web | Big Block |
Makes
Chevrolet
Engines
Big Block
Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine.
Note: For pistons BELOW the block @ TDC – value in box must be a POSITIVE number (.000)
Note: For pistons ABOVE the block @ TDC – value in box must be a NEGATIVE number (-.000)
Note: For a DISH piston – value in box must be a POSITIVE number (0.0)
Note: For a DOME piston – value in box must be a NEGATIVE number (-0.0)
Note: Manipulate the DOME/DISH & PISTON to DECK volumes to get the ratio you want.