Manley - 11689-8
Exhaust Valve - 1.615 in Head - 0.3136 in Valve Stem - 5.230 in Long - Stainless - LS7 - GM LS-Series - Set of 8
Manley Valve - Exhaust, Valve-LS-7 R/M 1.615.
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.
Category Hierarchy: Valves>Stainless Steel>Race
Engine - Web: LS
Engine Detail - Web: LS-7
Engine Family: LS
Engine Type: ICE
Engine: LS-7
Head Diameter: 1.615
Industry: Automotive
Make - Web: Chevrolet
Make: Chevrolet
Margin Width: 0.075
O/A Length: 5.230
Out of Stock Message: Call for Availability
Product Market: Domestic
Product Type: Engine Exhaust Valve Kit
Seat Width: 0.100
Stem Diameter: 0.3136
Tip Length: 0.290
Title - Web: Manley Race Series Chevy LS-7 Exhaust Valve Kit - 1.615 in. Head Dia., 5.230 in. O/A Length, 0.3136 in. Stem
Top of Head: 18 Degree Dish
Underhead Angle: 25.00
Underhead Radius: 7/16
Valve Quantity: 8
Valve Series: Race Series
Valve Sub-Series: Race Master
Valve Type: Exhaust
