Description
Manley designed these 11854-8 Severe Duty Intake Valves for Big Block Chevy engines. Manufactured from NK-844 Stainless Steel, these valves have 1000 times better Fatigue Strength than the competition! Featuring chrome stems and hardened valve tips, they are also swirl polished and fully machined.
These valves are a great choice for drag race, oval track and high-performance street applications.
Manley 11854-8 Severe Duty Intake Valves Specs:
- Valve Material: NK-844 Stainless Steel
- Valve Head Diameter: 2.300 in.
- Valve Stem Diameter: 0.3415 in.
- Overall Valve Length: 5.494 in.
- Installed Height: 0.250 in. longer
- Valve Seat Width: 0.100 in.
- Valve Tip Length: 0.250 in.
- Valve Head Style: 7-degree dish
- Undercut Stem: No
- Swirl Polished: Yes
- Lock Groove Quantity: 1-groove
- Lock Groove Style: Conventional
- Weight: 148 grams
- Quantity: Sold as a set of 8
Manley Severe Duty Valves –Better By Design!
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