Description
Manley designed these 11686-8 Race Series Intake Valves for Small Block Chevy LS Gen III/IV engines. Manufactured from NK-842 Stainless Steel with 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 11686-8 Race Series Intake Valves Specs:
- Valve Material: NK-842 Stainless Steel
- Valve Head Diameter: 2.165 in.
- Valve Stem Diameter: 0.313 in.
- Overall Valve Length: 4.900 in.
- Valve Seat Width: 0.100 in.
- Valve Tip Length: 0.160 in.
- Valve Head Style: 7-degree dish
- Undercut Stem: Yes
- Swirl Polished: Yes
- Lock Groove Quantity: 1-groove
- Lock Groove Style: Conventional
- Weight: 118 grams
- Quantity: Sold as a set of 8
Manley Race Series Valves –Better By Design!
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