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Manley Engine Exhaust Valve - 11485B-8

Manley Valve - Exhaust, Valve-TI Big Block GM 1.840
Manufacturer: Manley
Manufacturer part number: 11485B-8
Old price: $1,435.62
$1,220.28
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Manley Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response, power, and durability, making them the choice of performance enthusiasts and professional engine builders. Each valve features a one-piece forged titanium construction with superior grain flow to eliminate weak points and ensure long-term strength. State-of-the-art CNC machining and precision grinding deliver tight tolerances and consistent sealing for optimal engine performance. Crafted from premium titanium alloys, Manley valves achieve the perfect balance of hardness, ductility, and fatigue resistance under extreme temperatures. Every valve undergoes rigorous quality control and final inspection, guaranteeing unmatched reliability, precision, and consistency in the most demanding racing conditions. When performance matters, Manley Titanium Valves power the winners.

Note: Manley Valve - Exhaust, Valve-TI Big Block GM 1.840

Products specifications

Attribute name Attribute value
Margin Width .090
Underhead Angle 30.00
Seat Angle 45.00
O/A Length 5.440
Valve Length 5.440
Underhead Radius 5/8
Engine Valve Quantity 8
Valve Quantity 8
Weight 98
Valve Groove Type Bead Loc?
Cylinder Head Big Block GM
Prop 65 (C, R or CR) CR
Seat Width .100
Tip Length 2.50
Valve Tip Length 2.50
Stem Diameter 0.3415
Valve Stem Diameter 0.3415
Head Diameter 1.840
Valve Head Diameter 1.840
Product Type Engine Exhaust Valve
Prop 65 Yes/No Yes
Valve Type Exhaust
Seat Coating None
Installed Height Stock
Valve Material Titanium
Valve Series Titanium Series
Country of Origin US
Condition New
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