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Manley Race Series Chevy 5.3L L83 Exhaust Valve – 1.560 in. Head Dia., 5.208 in. O/A Length, 0.3136 in. Stem
$20.21
SKU: 12359-1
Manley Valve – Exhaust, Valve-R/M L83 5.3L 1.560, .3136 STEM.
Manley’s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM
- Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
- Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
- Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
- Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine’s specific requirements.
- Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
GTIN: 00807298109947
Weight | 0.250 lbs |
---|---|
Dimensions | 7.000 × 2.500 × 2.500 in |
Product Market | Domestic |
Head Diameter | 1.560 IN |
Stem Diameter | 0.3136 IN |
O/A Length | 5.208 IN |
Tip Length | 0.160 IN |
Margin Width | 0.065 IN |
Seat Width | 0.110 IN |
Top of Head | 18 Degree Dish |
Underhead Angle | 25.00 DEG |
Underhead Radius | 7/16 IN |
Valve Series | Race Series |
Valve Sub-Series | Race Master |
Product Type | Engine Exhaust Valve |
Valve Quantity | 1 |
Engine Detail – Web | 5.3L L83 |
Makes
Chevrolet
Engines
5.3L LS/L83
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.